Sleep Health

News
Katie Golde

New Study Links Shorter Sleep And Dehydration

If you feel unwell after a night of bad sleep, you may need more than just some extra shut-eye. It might be time to reach for a glass of water and drink up, say experts. Researchers from Penn State University found that adults who sleep only six hours per night — as compared to eight hours — are

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sleep deprived teen girl
News
Laura Newcomer

Could A Lack Of Sleep Lead To Risky Behavior In Teens?

Sleep-deprived teens may be at a higher risk of engaging in risky or suicidal behavior, new research finds. The study, which was published in the journal JAMA Pediatrics, found that teens who slept fewer than eight hours on an average school night were more likely to participate in a variety of unsafe behaviors, which ranged

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Woman sleeping with alarm clock
News
Laura Newcomer

Researchers ID A Neural “Sleep Switch” That Turns Sleep On And Off

A new study has found a certain set of nerve cells may be responsible for turning the brain “on” and “off,” thereby promoting sleep. The findings suggest this particular set of nerve cells (dubbed GAL neurons) is essential for maintaining normal sleep cycles. What’s more, GAL neurons may at least partially explain the relationship between

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Man falling asleep at wheel of car
News
Laura Newcomer

Scientists Have Created A Blood Test For Drowsy Driving

Scientists have developed a blood test that determines whether a person has skipped a night of rest. The researchers discovered that people who have not slept within the past 24 hours develop unique biomarkers in their blood that indicate a lack of sleep. This research might set the stage for developing tools that enhance public

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woman getting out of bed
News
Laura Newcomer

Irregular Sleep-Wake Cycles Are Associated With Higher Disease Risk

Going to bed and waking up at different times each day may increase the risk of cardiovascular and metabolic illnesses, including heart disease and type 2 diabetes. So concludes the first study to consider the relationship between disease risk and a minute-by-minute measure of sleep regularity. We spoke with the study’s lead author, Assistant Professor

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A woman checks her blood sugar.
News
Marten Carlson

Does Sleep Deprivation Increase Type 2 Diabetes Risk?

A new study found that just one night of sleep loss could increase our risk of type 2 diabetes. Using mice as subjects, researchers at Toho University compared sleep-deprived mice to mice with healthy sleep. The mice who had been kept awake showed a higher count of enzymes associated with insulin resistance. In previous studies,

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Man snoring on couch
News
Laura Newcomer

Research Finds Possible Link Between Sleep Apnea And High Cholesterol

A new study suggests a possible link between obstructive sleep apnea (OSA) and higher levels of “bad” cholesterol as well as higher levels of triglycerides, or fat stores that have been linked to heart disease when they exist in high levels. The study, which was published in Respirology, comes on the heels of a growing

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A doctor checks a patient's heart rate.
News
Marten Carlson

Analysis: Too Little And Too Much Sleep Could Affect Heart Health

A new analysis of studies may have found a connection between our sleep and cardiovascular disease. The new meta-analysis, presented at the European Society of Cardiology Congress in Munich, Germany, reported that subjects who slept less than six to eight hours a night had worse heart health than those who slept within that range. What’s

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Man sleeping soundly on bed
News
Laura Newcomer

Genetics May Influence How Much REM Sleep You Get

Of all the sleep stages, REM sleep tends to get the most attention — but its mechanisms may be the least understood. Now, new research suggests genes may play a big role in REM sleep. Researchers from the RIKEN Center for Biosystems Dynamics Research in Japan have identified two genes that may be responsible for

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