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Home > Anti-aging Research > Sleep

Sleep

Related Topics:

• insomnia / sleep apnea / snoring / restless leg syndrome / narcolepsy

News & Research:

• Active duty military personnel prone to sleep disorders and short sleep duration - Science Daily, 1/31/13 - "the majority of participants (85.1 percent) had a clinically relevant sleep disorder. Obstructive sleep apnea (OSA) was the most frequent diagnosis (51.2 percent), followed by insomnia (24.7 percent). Participants' mean self-reported home sleep duration was only 5.74 hours per night, and 41.8 percent reported sleeping five hours or less per night. According to the AASM, individual sleep needs vary; however, most adults need about seven to eight hours of nightly sleep to feel alert and well-rested during the day"
• Why being tired makes us look ugly - nbcnews.com, 12/19/12 - "Stress causes a drop in the skin’s ability to protect itself ... And stress can also lead to less melanin, causing that jaundiced, haggard look. Melanin pigments the skin, giving humans their complexion ... Not sleeping causes us to accumulate water under our eyes, giving us that extra "baggage" ... What you get from stress is the wrinkles of aging .. Stress causes you to age ... stress not only causes wrinkles on the face but wrinkles in your arteries, as well, which can cause serious problems at an earlier age ... Your cells are biologically 10 to 15 years older … if you are chronically stressed ... If you are 45, the cells signal as if they are 60 years old"
• Lack of sleep affects bone health and bone marrow activity - Science Daily, 9/18/12 - "Drs. Everson and Toth, together with Anne Folley present exciting results indicating that sleep deprivation in rats arrests new bone formation, decreases fat within the red marrow and increases platelet levels. If true in humans, and I expect that it may be, this work will have great impact on our understanding of the impact of sleep deprivation on osteoporosis and inability to repair bone damage as we age"
• Sleep Quality Now May Affect Cognition Later - Medscape, 7/17/12 - "The first, which examined data from more than 15,000 participants in the Nurses' Health Study, showed that women who regularly slept 5 hours or less a night or 9 hours or more a night had an increased risk for cognitive decline compared with the women who regularly slept for the common goal of 7 hours per night ... A second study ... showed that a significantly increased risk for MCI/dementia at the 5-year study point was found for the women with sleep disordered breathing at baseline compared with those who did not have the condition (adjusted odds ratio [OR], 2.33; 95% confidence interval [CI], 1.28 - 4.25)"
• Obesity, depression found to be root causes of daytime sleepiness - Science Daily, 6/13/12 - "Three studies being presented June 13 at sleep 2012 conclude that obesity and depression are the two main culprits making us excessively sleepy while awake ... Insufficient sleep and obstructive sleep apnea also play a role; both have been linked to high blood pressure, heart disease, stroke, depression, diabetes, obesity and accidents"
• Top risk of stroke for normal-weight adults: Getting under 6 hours of sleep - Science Daily, 6/11/12 - "Habitually sleeping less than six hours a night significantly increases the risk of stroke symptoms among middle-age to older adults who are of normal weight and at low risk for obstructive sleep apnea (OSA) ... After adjusting for body-mass index (BMI), they found a strong association with daily sleep periods of less than six hours and a greater incidence of stroke symptoms for middle-age to older adults, even beyond other risk factors"
• Lack of sleep makes your brain hungry - Science Daily, 1/18/12 - "a specific brain region that contributes to a person's appetite sensation is more activated in response to food images after one night of sleep loss than after one night of normal sleep. Poor sleep habits can therefore affect people's risk of becoming overweight in the long run"
• Short Sleep Duration and Poor Sleep Quality Increase the Risk of Diabetes in Japanese Workers With No Family History of Diabetes - Diabetes Care. 2011 Dec 30 - "family history of diabetes (FHD) ... Having diabetes was defined as taking medication for diabetes or a fasting plasma glucose level of ≥126 mg/dL at follow-up (2007-2008) ... after adjustment for potential confounding factors, the odds ratio (95% CI) for developing diabetes was 5.37 (1.38-20.91) in those with a sleep duration of ≤5 h compared with those with a sleep duration of >7 h. Other risk factors were awakening during the night (5.03 [1.43-17.64]), self-perceived insufficient sleep duration (6.76 [2.09-21.87]), and unsatisfactory overall quality of sleep (3.71 [1.37-10.07]). In subjects with an FHD, these associations were either absent or weaker"
• People learn while they sleep, study suggests - Science Daily, 9/27/11
• Primary schoolchildren that sleep less than 9 hours do not perform as well academically, study suggests - Science Daily, 9/13/11 - "sleeping less than nine hours, going to bed late and no bedtime routine generally affects children's academic skills ... the lacking hours of sleep distorts children's performance in linguistic knowledge, grammar and spelling rules, and key aspects in the organisation and comprehension of texts, to name a few examples. They are basic skills, meaning that if the pupil, due to a lack of sleep, develops problems in this area, it could have a repercussion on all subjects"
• Poor sleep quality increases risk of high blood pressure - Science Daily, 8/29/11 - "SWS, one of the deeper stages of sleep, is characterized by non-rapid eye movement (non-REM) from which it's difficult to awaken ... people with the lowest level of SWS had an 80 percent increased risk of developing high blood pressure ... Good quality sleep is the third pillar of health ... People should recognize that sleep, diet and physical activity are critical to health, including heart health and optimal blood pressure control"
• Alcohol interferes with the restorative functions of sleep - Science Daily, 8/15/11 - "alcohol interferes with the restorative functions of sleep ... alcohol suppresses the high-frequency power during sleep in a dosage-dependent manner ... Although the first half of sleep after alcohol intake looks good on the EEG, the result of the assessment regarding the autonomic nerve system shows that drinking leads to insomnia rather than good sleep ... More specifically, as alcohol consumption increased, the heart rate increased and the spectral power of HRV measured at each frequency range decreased. Also, the low-frequency/high-frequency ratio that is considered an index of the balance between the sympathetic and parasympathetic systems was increased"
• The good life: Good sleepers have better quality of life and less depression - Science Daily, 6/14/11 - "people with a "normal" sleep duration of six to nine hours per night had higher self-reported scores for quality of life and lower scores for depression severity compared to short and long sleepers ... It was surprising to see that sleeping less than six hours and more than nine hours is associated with a similar decrease in quality of life and increase in depressive symptoms" - Note:  After reading the below study on lithium I decided to try it.  It seems to give the sleep quality I had when I was a kid plus your more alert the next day.  It also give a heck of a buzz the next day.  However if I take more than half a tablet per day it actually makes me feel worse.
  • Fountain of youth from the tap? Environmental lithium uptake promotes longevity, scientists demonstrate in worms - Science Daily, 2/18/11 - "A regular uptake of the trace element lithium can considerably promote longevity ... even a low concentration of lithium leads to an increased life expectancy in humans as well as in a model organism, the roundworm Caenorhabditis elegans ... the Jena scientists analyzed the mortality rate in 18 adjacent Japanese municipalities in relation to the amount of lithium contained in tap water from the respective regions. "We found that the mortality rate was considerably lower in those municipalities with more lithium in the drinking water," Ristow explains the key finding. In a second experiment, the Jena scientists examined exactly this range of concentration in the model organism C. elegans. The result was confirmed: "The average longevity of the worms is higher after they have been treated with lithium at this dosage," ... we know already that a higher uptake of lithium through drinking water is associated with an improvement of psychological well-being and with decreased suicide rates" - See lithium products at iHerb.
• ‘Sleep on it’ is sound, science-based advice, study suggests - Science Daily, 6/7/11 - "Subjects who got to sleep between the game's brief introduction and the longer play session showed both superior behavioral outcome, that is, more advantageous draws, and superior rule understanding when asked to explain them at the end, than those who did not sleep between sessions"
• Too much or too little sleep may accelerate cognitive aging, study shows - Science Daily, 5/1/11 - "women and men who begin sleeping more or less than 6 to 8 hours per night are subject to an accelerated cognitive decline that is equivalent to four to seven years of aging ... The researchers also found that, in women, sleep duration of 7 hours of sleep per night was associated with the highest score for every cognitive measure, followed closely by 6 hours of nightly sleep. Among men, cognitive function was similar for those who reported sleeping 6, 7 or 8 hours; only short and long sleep durations of less than 6 hours or more than 8 hours appeared to be associated with lower scores"
• Sleep duration is significantly associated with carotid artery atherosclerosis incidence in a Japanese population - Atherosclerosis. 2011 Feb 24 - "Sleep duration ≥7h correlated significantly with the incidence of IMT≥1.2mm when compared with a sleep duration of 6h (multivariate-adjusted odds ratio, 1.263; 95% confidence interval, 1.031-1.546, P=0.024). Shorter sleep duration ≤5h did not correlate significantly with the risk compared with a sleep duration of 6h"
• Apnea may be cause for awakening and voiding for those with enlarged prostates - Science Daily, 3/15/11 - "more than half (57.8 percent) of patients with enlarged prostates may in fact have the sleep disorder, and that the awakenings that patients ascribed to their need to urinate at night may be actually caused by their sleep disorders"
• Effects of a Month-Long Napping Regimen in Older Individuals - Medscape, 3/3/11 - "Napping had no negative effect on subsequent nighttime sleep quality or duration, resulting in a significant increase in 24-hour sleep amounts. Such increased sleep was associated with enhanced cognitive performance but had no effect on simple reaction time. Participants were generally able to adhere better to the 45-minute than the 2-hour nap regimen"
• Napping may help with blood pressure management - Science Daily, 2/28/11 - "those participants who slept for at least 45 minutes during the day had lower average blood pressure after psychological stress than those who did not sleep ... The average sleep duration is now almost 2 hours shorter per night than it was 50 years ago. And this could be impacting our long-term health. For example, sleeping less has been linked to an increased risk of hypertension and cardiovascular problems generally ... One group was allotted a 60-minute interval during the day when they had the opportunity to sleep; the other group did not sleep during the day ... daytime sleep seemed to have a restorative effect with students in the sleep condition reporting lower scores of sleepiness than those who did not sleep. Although blood pressure and pulse rates rose in both groups between baseline and the stress phase, during the recovery phase, those who had napped had significantly lower average blood pressure readings than those who had not slept"
• U-Shaped Curve for Sleep Duration and Cardiovascular Disease - Medscape, 2/10/11 - "They list causative mechanisms relating short duration of sleep to adverse health outcomes as including changes in circulating levels of leptin and ghrelin, which in turn would increase appetite, caloric intake, reduce energy expenditure, and facilitate the development of obesity and impaired glycemic control, with increased cardiovascular risk. Increased cortisol secretion and altered growth hormone metabolism have also been implicated. Low-grade inflammation is also activated during short sleep, with possible implications not only for cardiovascular disease but also for other chronic conditions, including cancer ... people reporting consistently sleeping five hours or less per night should be regarded as a higher-risk group for cardiovascular morbidity and mortality. And that sleeping nine hours or more per night may represent a useful diagnostic tool for detecting subclinical or undiagnosed comorbidity"
• Sleep duration predicts cardiovascular outcomes: a systematic review and meta-analysis of prospective studies - Eur Heart J. 2011 Feb 7 - "Short duration of sleep was associated with a greater risk of developing or dying of CHD (RR 1.48, 95% CI 1.22-1.80, P < 0.0001), stroke (1.15, 1.00-1.31, P = 0.047), but not total CVD (1.03, 0.93-1.15, P = 0.52) with no evidence of publication bias (P = 0.95, P = 0.30, and P = 0.46, respectively). Long duration of sleep was also associated with a greater risk of CHD (1.38, 1.15-1.66, P = 0.0005), stroke (1.65, 1.45-1.87, P < 0.0001), and total CVD (1.41, 1.19-1.68, P < 0.0001) with no evidence of publication bias (P = 0.92, P = 0.96, and P = 0.79, respectively). Conclusion Both short and long duration of sleep are predictors, or markers, of cardiovascular outcomes"
• Lack of sleep found to be a new risk factor for colon cancer - Science Daily, 2/8/11 - "individuals who averaged less than six hours of sleep at night had an almost 50 percent increase in the risk of colorectal adenomas compared with individuals sleeping at least seven hours per night. Adenomas are a precursor to cancer tumors, and left untreated, they can turn malignant"
• The key to being attractive (and looking healthy)? A good night's sleep - Science Daily, 12/14/10 - "The observers judged the faces of sleep-deprived participants as less healthy, less attractive and more tired ... The authors conclude that the facial signals of sleep deprived people affect facial appearance and judgments of attractiveness, health and tiredness"
• Poor sleep quality increases inflammation, community study finds - Science Daily, 11/14/10
• Older people advised that taking an afternoon nap can lead to more active lives - Science Daily, 10/26/10
• Sleep loss limits fat loss - Science Daily, 10/4/10 - "When dieters got adequate sleep, however, more than half of the weight they lost was fat. When they cut back on their sleep, only one-fourth of their weight loss came from fat"
• Women's study finds longevity means getting just enough sleep - Science Daily, 9/30/10 - "the secret to a long life may come with just enough sleep. Less than five hours a night is probably not enough; eight hours is probably too much ... sleeping 6.5 to 7.5 hours per night was associated with best survival ... when sleep was measured objectively, the best survival was observed among women who slept 5 to 6.5 hours ... Women who slept less than five hours a night or more than 6.5 hours were less likely to be alive at the 14-year follow-up"
• Short sleepers at higher risk of type 2 diabetes and heart disease, study finds - Science Daily, 9/7/10
• Short and long sleep durations are independent risk factors for cardiovascular disease, study suggests - Science Daily, 8/1/10
• Getting extra sleep improves the athletic performance of collegiate football players - Science Daily, 6/8/10 - "football players' sprint times improved significantly after seven to eight weeks of sleep extension. Average sprint time in the 20-yard shuttle improved from 4.71 seconds to 4.61 seconds, and the average 40-yard dash time decreased from 4.99 seconds to 4.89 seconds. Daytime sleepiness and fatigue also decreased significantly, while vigor scores significantly improved"
• Long sleep duration linked to an increased risk of metabolic syndrome in older adults - Science Daily, 6/8/10 - "participants who reported a habitual daily sleep duration of eight hours or more including naps were 15 percent more likely to have metabolic syndrome"
• Middle-aged men: Could dwindling testosterone levels decrease sleep? - Science Daily, 5/14/10 - "In young men, deep sleep represents 10 to 20 percent of total sleep. By age 50, it decreases to five to seven percent. For men over 60, it can disappear altogether ... Because deep sleep requires great synchronization ... Low levels of testosterone intensify the lack of synchronization and can explain 20 percent of men's inability to experience deep sleep ... Sekerovic suggests dwindling testosterone levels are what impact sleep, not vice-versa, as other studies have suggested ... If Sekerovic is right, his findings could re-ignite the hormone therapy debate. "The loss of deep sleep is a serious problem that could be treated with testosterone. That would be tremendous progress,""
• To learn better, take a nap (and don't forget to dream) - Science Daily, 4/22/10 - "What's got us really excited, is that after nearly 100 years of debate about the function of dreams, this study tells us that dreams are the brain's way of processing, integrating and really understanding new information ... Dreams are a clear indication that the sleeping brain is working on memories at multiple levels, including ways that will directly improve performance"
• Can a Mid-Day Nap Make You Smarter? - WebMD, 2/22/10 - "People in the group which didn't nap had a slight reduction of about 10% in their learning capacity during the day ... ''whereas the people who had a nap in between the first time they tried to learn relative to the second time they tried to learn actually improved their ability to learn by 10% ... The total time the participants slept during the 90-minute window didn't matter much in their later performance, Walker found. But the greater the amount of stage 2 non-REM sleep, a lighter form of non-dreaming sleep, the better their performance"
• Naps help babies learn and retain new information - Science Daily, 2/21/10
• Less Sleep Normal Part of Aging? - WebMD, 2/1/10
• Sleep Loss Linked To Increase In Alzheimer's Plaques - Science Daily, 9/24/09 - "Chronic sleep deprivation in a mouse model of Alzheimer's disease makes Alzheimer's brain plaques appear earlier and more often"
• Sleep Helps Reduce Errors In Memory, Research Suggests - Science Daily, 9/10/09
• Why Sleep? Snoozing May Be Strategy To Increase Efficiency, Minimize Risk - Science Daily, 8/23/09
• Less Sleep Associated With High, Worsening Blood Pressure In Middle Age - Science Daily, 6/11/09 - "After excluding patients taking medication for high blood pressure and controlling for age, race and sex, the researchers found that individuals who slept fewer hours were significantly more likely to have higher systolic (top number) and diastolic (bottom number) blood pressure ... Each hour of reduction in sleep duration was associated with a 37 percent increase in the odds of developing high blood pressure"
• Link Found Between Poor Sleep Quality And Increased Risk Of Death - Science Daily, 6/10/09
• Poor Sleep Is Associated With Lower Relationship Satisfaction In Both Women And Men - Science Daily, 6/10/09
• Too little sleep may raise blood pressure - MSNBC, 6/9/09 - "The study ... found missing an average one hour of sleep over five years raised the risk of developing high blood pressure by 37 percent"
• Long And Short Sleep Durations Are Associated With Increased Risk For Diabetes - Science Daily, 6/8/09 - "the adjusted odds ratio was 1.24 for diabetes associated with short sleep (five hours per night or less) and 1.48 for diabetes associated with long sleep (nine or more hours per night)"
• Sleep Restriction Results In Weight Gain Despite Decreases In Appetite And Consumption - Science Daily, 6/8/09 - "in the presence of free access to food, sleep restricted subjects reported decrease in appetite, food cravings and food consumption; however, they gained weight over the course of the study. Thus, the finding suggests that energy intake exceeded energy expenditure during the sleep restriction ... Results indicate that people whose sleep was restricted experienced an average weight gain of 1.31 kilograms over the 11 days of the study"
• Lose Weight With a Good Night's Sleep? - WebMD, 5/16/09 - "The average BMI for short sleepers was 28.3. That compares to an average BMI of 24.5 for long sleepers. The BMI range for normal weight is considered to be 18.5-24.9 and for overweight 25.0-29.9. BMI is calculated from a person's weight and height and is an indicator of body fat"
• Inadequate Sleep Leads To Behavioral Problems, Study Finds - Science Daily, 4/27/09
• Too Much Or Too Little Sleep Increases Risk Of Diabetes - Science Daily, 4/21/09 - "The risk is 2½ times higher for people who sleep less than 7 hours or more than 8 hours a night"
• Chronic Insomnia With Short Sleep Duration Is Significant Risk Factor For Hypertension - Science Daily, 4/9/09 - "participants with insomnia and an objectively measured, severely short sleep duration of less than five hours had a risk for hypertension that was 500 percent higher than participants without insomnia who slept more than six hours. People with insomnia and a moderately short sleep duration of five to six hours had a risk for hypertension that was 350 percent higher than normal sleepers"
• Sleep May Help Clear Brain For New Learning - Science Daily, 4/2/09
• Sleep: Spring Cleaning For The Brain? - Science Daily, 4/2/09
• Chronic Insomnia With Short Sleep Duration Is Significant Risk Factor For Hypertension - Science Daily, 4/1/09 - "A study in the April 1 issue of the journal SLEEP is the first to demonstrate that chronic insomnia with objectively measured short sleep time is an independent and clinically significant risk factor for hypertension"
• Late Bedtimes Linked to Heart Disease - WebMD, 3/30/09 - "The fewer hours a man slept each night, the higher his BMI, blood pressure, and triglyceride levels"
• Consuming A Little Less Salt Could Mean Fewer Deaths - Science Daily, 3/11/09 - "Participants who slept on average less than six hours a night during the work week, when followed over six years, were 4.56 times more likely than those getting six to eight hours of sleep to convert from normal blood sugar levels to impaired fasting glucose"
• Inflammation May Be Link Between Extreme Sleep Durations And Poor Health - Science Daily, 2/7/09
• What Happens When We Sleep - Science Daily, 1/28/09
• Go ahead, sleep in — it’s good for the heart - msnbc.com, 12/23/08 - "About 12 percent of the people in the study developed artery calcification during the five-year study period. Among those who had slept less than five hours a night, 27 percent had developed artery calcification ... That dropped to 11 percent among those who slept five to seven hours, and to 6 percent among those who slept more than seven hours a night"
• Poor Sleep Quality Linked To Postpartum Depression - Science Daily, 12/10/08
• Physical Activity, Sleep May Cut Cancer Risk - WebMD, 11/17/08 - "Among the most physically active women younger than 65 -- women who reported getting about an hour a day of moderate physical activity -- cancer was 47% rarer for those who got at least seven hours of nightly sleep. Those findings held regardless of other cancer risk factors"
• Loss Of Sleep, Even For A Single Night, Increases Inflammation In The Body - Science Daily, 9/2/08 - "losing sleep for even part of one night can trigger the key cellular pathway that produces tissue-damaging inflammation. The findings suggest a good night’s sleep can ease the risk of both heart disease and autoimmune disorders such as rheumatoid arthritis"
• Less REM Sleep Associated With Being Overweight Among Children And Teens - Science Daily, 8/4/08
• Extra Sleep Improves Athletic Performance - Science Daily, 6/9/08 - "Getting extra sleep over an extended period of time improves athletic performance, mood and alertness ... The athletes then extended their sleep to 10 hours per day for six to seven weeks ... After obtaining extra sleep, athletes swam a 15-meter meter sprint 0.51 seconds faster, reacted 0.15 seconds quicker off the blocks, improved turn time by 0.10 seconds and increased kick strokes by 5.0 kicks"
• Smoking May Wreak Havoc on Sleep - WebMD, 2/4/08
• Lack Of Deep Sleep May Increase Risk Of Type 2 Diabetes - Science Daily, 1/1/08 - "They found that when slow-wave sleep was suppressed for only three nights, young healthy subjects became about 25 percent less sensitive to insulin"
• Insufficient Sleep Raises Risk Of Diabetes, Study Suggests - Science Daily, 12/1/07 - "subjects who reported sleeping five or fewer hours and subjects who reported sleeping nine or more hours were significantly more likely to have incident diabetes over the follow-up period than were subjects who reported sleeping seven hours"
• Sleep a Speedy Time for Memory Making - WebMD, 11/15/07
• Kids: Less Sleep May Lead to Overweight - WebMD, 11/5/07
• Lack Of Sleep Doubles Risk Of Death... But So Can Too Much Sleep - Science Daily, 9/24/07 - "Those who had cut their sleeping from 7h to 5 hours or less faced a 1.7 fold increased risk in mortality from all causes, and twice the increased risk of death from a cardiovascular problem in particular ... those individuals who showed an increase in sleep duration to 8 hours or more a night were more than twice as likely to die as those who had not changed their habit, however, predominantly from non-cardiovascular diseases"
• Extra Sleep Boosts Athletic Performance - WebMD, 6/13/07
• Sleep Strengthens Your Memory - Science Daily, 4/24/07
• Sleep Deprivation Blurs Moral Judgment - WebMD, 3/2/07
• How much sleep do I really need? - Dr. Murray
• Some Respect, Please, for the Afternoon Nap - New York Times, 2/25/07
• Sleep Deprivation May Impair Memory - WebMD, 2/12/07
• Take a Nap, Protect Your Heart? - WebMD, 2/12/07 - "A total of 23,681 residents of Greece with no history of heart disease, stroke, or cancer at enrollment were followed an average of 6.3 years ... people who took naps at least three times a week for an average of at least 30 minutes were 37% less likely to die of heart disease than people who did not take regular naps"
• On-the-job naps might cut risk for heart problems - USA Today, 2/12/07 - "In the largest study to date on the health effects of napping, researchers tracked 23,681 healthy Greek adults for an average of about six years. Those who napped at least three times weekly for about half an hour had a 37% lower risk of dying from heart attacks or other heart problems than those who did not nap"
• Less Sleep, More Pounds - WebMD, 5/23/06
• Skimpy Sleep May Up Blood Pressure - WebMD, 4/3/06 - "Among people aged 32-59, those who reported getting less than six hours of nightly sleep in the original survey were twice as likely to have been diagnosed with high blood pressure"
• Study Shows How Sleep Improves Memory - Science Daily, 6/29/05
• Sleep Helps the Brain Learn - WebMD, 6/14/05
• How Sleep, or Lack of, Affects Teen Athletes - WebMD, 5/13/05
• Long or Short Sleep Time May Be Associated With Diabetes - Medscape, 4/26/05 - "Sleep duration of six hours or less or nine hours or more is associated with increased prevalence of diabetes mellitus (DM) and impaired glucose tolerance (IGT)"
• Less Sleep Could Mean More Weight - WebMD, 1/10/05 - "Total sleep times tended to decrease as body weight increased ... The difference in total sleep time between patients who were normal weight and those who weren't was only 16 minutes per day"
• The New Science of Sleep - Time Magazine Cover Story (paid prescription), 12/20/04
• Sleep Loss Feeds Appetite - WebMD, 12/7/04
• Sleep More and You May Control Eating More - WebMD, 11/9/04
• Sleep Disorders Often Indicate Multiple Health Conditions - Science Daily, 11/5/04
• Deep Sleep Cements Learning - WebMD, 10/27/04
• Zzzzzzzz! How much sleep is enough? - MSNBC, 6/21/04
• Too Much Sleep Just as Bad as Too Little? - WebMD, 3/23/04
• Rx for Teen Moodiness: Sleep - WebMD, 2/9/04
• Sleep on It, Really It Helps - WebMD, 1/21/04
• Sleep A Must For Creative Thinking - CBS News, 1/21/04
• Chronic Low-Back Pain and Related Disability Improved With Medium-Firm Mattress Use - Doctor's Guide, 11/16/03
• Losing Sleep Impairs Frontal Cortex Function - Doctor's Guide, 11/14/03
• Sleep Boosts Memory in Different Ways - WebMD, 10/8/03
• Sleep Disorders Tied to Poor Brain Chemistry - Physician's Weekly, 8/4/03
• A Good Nap May Help You Learn - WebMD, 6/27/03
• Men Handle Sleep Deprivation Worse than Women - WebMD, 6/13/03
• Neuroactive Steroid Concentrations Unaffected By Sleep Deprivation During Major Depression - Doctor's Guide, 3/21/03
• Sustained Reduced Sleep Can Have Serious Consequences - Doctor's Guide, 3/13/03 - "subjects who slept four to six hours a night for fourteen consecutive nights showed significant deficits in cognitive performance equivalent to going without sleep for up to three days in a row. Yet these subjects reported feeling only slightly sleepy and were unaware of how impaired they were"
• Worry, inactivity impede sleep's health benefits - USA Today, 3/9/03
• Sleep Disorders Mimic ADHD Symptoms - WebMD, 3/3/03
• Bad Sleep Leads to Early Death in Elderly - WebMD, 2/5/03
• You Can't Fight Biological Clock - WebMD, 1/30/03
• Minimal Mesopontine Neuronal Loss In Disordered Rapid-Eye-Movement Sleep - Doctor's Guide, 1/27/03
• Sleep, Less and More, Linked to Heart Disease - WebMD, 1/24/03
• Unattended Somnography Reliably Estimates Sleep Quality, Disturbed Breathing - Doctor's Guide, 1/17/03
• Study Follows Sleeping Patterns Of Women From Age 38 Onward - Doctor's Guide, 1/10/03
• Too Much Sleep May Be as Bad As Too Little - Clinical Psychiatry News, 1/03
• Rhythms Of The Night: Sleep Patterns May Sound A Wake-Up Call For Modern Medicine - Intelihealth, 12/16/02
• Sleep Said To Help Motor Skills - Intelihealth, 8/13/02
• Sleep on It: You'll Do Better - WebMD, 7/2/02
• 6 Hours of Sleep May Be Inadequate - WebMD, 6/25/02
• One week of 2-Hour Sleep Deprivation Associated with Reduced Psychomotor Ability, Rise in IL-6, TNF-a - Doctor's Guide, 6/24/02
• Body Temperature Changes May Affect Sleep Promotional Effects Of Sedative-Hypnotics - Doctor's Guide, 5/23/02
• Counting The Healthcare Costs of Chronic Sleep Deprivation - Doctor's Guide, 5/15/02
• Sleep-Disordered Breathing Largely Undiagnosed - Doctor's Guide, 4/22/02
• New Test Spots Sleep Disorders - WebMD, 4/3/02
• Simplified Tool Effectively Screens for Sleep Disorders - Doctor's Guide, 4/3/02
• Asleep on the Job? Take a Nap - WebMD, 4/2/02
• Late to bed, early to rise complaining - USA Today, 4/2/02
• Sleep and Behavioral Problems Linked - WebMD, 3/4/02
• If You're Dog Tired, Your Dog May Be Guilty - WebMD, 2/21/02
• Study Suggests Less Sleep Is OK - Intelihealth, 2/15/02
• Mortality Associated With Sleep Duration and Insomnia - Archives of General Psychiatry, 2/02 - "The best survival was found among those who slept 7 hours per night. Participants who reported sleeping 8 hours or more experienced significantly increased mortality hazard, as did those who slept 6 hours or less. The increased risk exceeded 15% for those reporting more than 8.5 hours sleep or less than 3.5 or 4.5 hours. In contrast, reports of "insomnia" were not associated with excess mortality hazard. As previously described, prescription sleeping pill use was associated with significantly increased mortality after control for reported sleep durations and insomnia"
• Are You Sleeping Enough -- or Too Much? - WebMD, 2/14/02
• Experts challenge study linking sleep, life span - CNN, 2/14/02 - "The data can't be used to establish a cause and affect relationship because there are flaws in the study ... You can't tell how people rated their own sleep quality and looked back at their sleep, which is a subjective reaction to how much sleep they were getting"
• Researchers Debate Exactly How Sleep Aids Memory, Learning - WebMD, 11/1/01
• NIH To Encourage Kids To Get Sleep - Intelihealth, 11/2/01 - "Hunt said research shows that children who regularly get nine hours of sleep perform better in school, experience better moods, suffer fewer accidents and are less likely to become obese"
• Sleep on This: Lack of Shut-Eye Ups Diabetes Risk - WebMD, 6/25/01 - "People who don't get adequate rest may increase their risk for type 2 diabetes ... "short-sleepers," or those who slept less than 6.5 hours per night, were about 40% less insulin-sensitive than normal sleepers, those who logged about 7.5 to 8.5 hours a night"
• Get Your ZZZs, Your Tummy Will Thank You, Natural Stomach Protein Repairs Damage, Protects Against Ulcers While You Sleep - WebMD, 5/9/01 - "late hours, too much alcohol, and other lifestyle factors that prevent a good night's sleep, disrupt the stomach's natural repair cycle and may lead to ulcers, or tearing of the stomach lining"
• Natural Stomach Protein Repairs Damage, Protects Against Ulcers While You Sleep - WebMD, 4/12/01
• Body Clock: How Do We Keep Time? Clock Genes in Skin Cells Might Help Diagnose Sleep Problems - WebMD, 4/12/01
• Health Officials Want Kids to Sleep at Least Nine Hours a Night - WebMD, 2/28/01
• The Big Sleep, Nodding Off - CNN, 12/5/00 - "the nappers turned in a 34-percent higher performance level and scored 100 percent better in terms of alertness, he says."
• Working Night Shift Affects More Than Your Social Life - WebMD,  10/16/00
• Poor Sleep Erodes Middle-Aged Men - Intelihealth, 8/16/00
• Thanks for the Memories? Sleep May Deserve Some Credit - WebMD, 7/18/00
• Sleep May Help Keep Metabolic Process Young - WebMD, 7/13/00
• Lack Of Sleep Alters Hormones, Metabolism - Doctor's Guide, 10/22/99
• Sleep's healing properties - CNN, 8/25/99
• Catching Forty Winks Can Be Risky - Dr. Dean, 7/27/99
• On-the-job naps could be pause that refreshes - CNN, 3/26/98