Less sleep, disrupted circadian cycle tied to higher risk of diabetes and obesity: study

A study by researchers at Brigham & Women’s Hospital reinforces the finding that too little sleep or sleep patterns that are inconsistent with our body’s “internal biological clock” may lead to increased risk of diabetes and obesity.

😄 😄 This finding has been seen in short-term lab studies and when observing human subjects via epidemiological studies.

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Santa’s health at-risk by all-night sleigh rides

Santa with a little girl

Every year Santa Claus and his team of elves and reindeer stay awake for days and nights so he can deliver presents to children the world over on Christmas. By doing so, he may be putting his, and their health, at risk.

Sleep experts Professor Franco Cappuccio and Dr. Michelle Miller, from , discuss the pros and cons of Santa’s “all-nighter.”1

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Specific brain changes tied to sleep deprivation

Main health effects of sleep deprivation

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Researchers at the Allen Institute for Brain Science and SRI International have published the most systematic study to date of the effects of sleep deprivation on gene expression in the brain.

The findings have implications for improving the understanding and management of the adverse effects of sleep deprivation on brain function. Continue reading

Extraverts more vulnerable to sleep deprivation effects following social interaction, study finds

A study in the November 1, 2010 issue of the journal Sleep found that vulnerability to sleep deprivation is influenced by the interaction between waking social activity and individual personality traits.

Results show that extraverts who were exposed to 12 hours of social interaction were more vulnerable to subsequent sleep deprivation than those who were exposed to an identical period of isolated activity.

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Soldiers with migraines endure poor sleep quality

Some 19 percent of soldiers returning from Iraq have migraine and migraine is suspected in another 17 percent. While prevalence of migraine among the U.S. military is well documented, little is known about sleep quality in soldiers with chronic headaches including post-traumatic headache and migraine.

A research team from the Madigan Army Medical Center in Tacoma, WA found that although sleep quality is poor in soldiers with post-traumatic headache, treatment including education can improve the condition.

Soldiers with poor Sleep Quality

Brain responds same to acute & chronic sleep loss

Burning the candle at both ends for a week may take an even bigger toll than you thought.

Researchers at the University of Wisconsin-Madison have found that five nights of restricted sleep – four hours a night — affect the brain in a way similar to that seen after acute total sleep deprivation.

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Negative effects of sleep restriction may linger even after one full night of recovery sleep

Study is the first experiment to systematically examine the relationship of the duration of sleep dose to the recovery of neurobehavioral deficits from sustained sleep restriction.

A study in the August 1, 2010 issue of the journal Sleep suggests that a dose of extra sleep on the weekend may be good medicine for adults who repeatedly stay up too late or wake up too early during the work week.

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REM sleep deprivation a factor in chronic migraines

Research shows sleep deprivation leads to changes in the levels of key proteins that facilitate events involved in the underlying pathology of migraine headaches.

Paul L. Dunham, Ph.D. and his team at Missouri State University’s Center for Biomedical & Life Sciences sought to understand the mechanisms by which sleep disturbance increases the risk of migraine and may even trigger migraines. Continue reading

Combat veterans suffering migraines often endure poor sleep quality as a result

Some 19 percent of soldiers returning from Iraq have migraine and migraine is suspected in another 17 percent.

While prevalence of migraine among the U.S. military is well documented, little is known about sleep quality in soldiers with chronic headaches including post-traumatic headache and migraine.

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