Sleep-Deprived People Are More Likely To Be In Car Crashes, Research Says

Woman drowsy driving

Sleep deprivation is linked with a higher likelihood of being in (and being responsible for) a car crash, says a new study. These risks may increase when sleep deprivation is more severe. The study, which was published in the journal SLEEP, found that people who slept for fewer than seven hours within the past 24 …

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Does Sleep Deprivation Increase Type 2 Diabetes Risk?

A woman checks her blood sugar.

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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Research Finds Possible Link Between Sleep Apnea And High Cholesterol

Man snoring on couch

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

A doctor checks a patient's heart rate.

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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New Study Sheds Light On Potential Causes, Treatment Of Restless Leg Syndrome

Woman's legs on bed

A new study suggests that hyperarousal in the brain’s motor cortex might help explain the origins of Restless Leg Syndrome (RLS), which has long remained one of the least understood sleep disorders. An estimated 10 percent of American adults experience RLS — which triggers an overwhelming urge to move the legs while at rest and …

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Genetics May Influence How Much REM Sleep You Get

Man sleeping soundly on bed

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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Poor Sleep Can Destroy Your Social Life, Study Finds

Lonely woman at window

Sleep-deprived people tend to feel lonely and avoid social contact, a new study finds. Not only were sleep-deprived participants more likely to isolate themselves, but they also tended to repel other people — further driving their loneliness. What’s more, even well-rested people were more likely to feel lonely after encountering a sleep-deprived person. This feedback …

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Study Says Sleep May Enhance Your Family Tree’s Reproductive Success

Happy family

For decades, scientists have debated exactly why humans and other animals evolved to sleep on a regular basis. Now, new research suggests at least one explanation rests with reproductive success, or organisms’ ability to carry on their family trees. The study, which was published in the scientific journal PLOS ONE, used mathematical models to compare …

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Could Drinking Coffee Affect Our Sleep Years From Now?

Woman drinking coffee at window

Many of us may regret that last cup of coffee as we struggle to fall asleep. But a new study suggests high levels of coffee consumption may have negative impacts that last beyond a single night. The study may have found a connection between constant coffee drinking and sleep issues later in life. Researchers at …

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Does Broadband Internet Impact Our Sleep?

Man looking at screens in bed

A new study may have found a link between German home internet use and sleep quality. Researchers analyzed household surveys and broadband internet demographics. They concluded that people with access to broadband internet in their home slept less than those without access. The main reason for the poor sleep quality was the temptation to use …

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