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1 in 25 reports falling asleep at the wheel, CDC says.

Driving drowsy is a major factor in traffic accidents and deaths in the United States, federal health officials reported Thursday.

Federal statistics state that 2.5 percent of fatal motor vehicle crashes and 2 percent of crashes with non-fatal injuries involve drowsy driving.

But, data gathering methods make it difficult to estimate the actual number of accidents that involve drowsy drivers. In fact, some studies have estimated that between 15 percent and ...

Young men in small study ate more when sleep-deprived.

Lack of sleep can lead you to eat larger portions of high-calorie foods and increase your long-term risk of weight gain, according to a small new study.

Swedish researchers asked 16 normal-weight males to choose their ideal portions of high-calorie meals and snacks. They did this when they had a normal night of about eight hours sleep and again when they went a night without sleep.

The participants chose larger portion sizes after the ...

Two separate studies have found that sleep loss may put you at risk for weight gain and Alzheimer’s disease.

MONDAY, March 11, 2013 — Trouble sleeping might be a sign of early Alzheimer’s disease, according to a new study conducted by researchers at Washington University School of Medicine in St. Louis

The study, published in JAMA Neurology, is a follow-up to a 2012 animal study also conducted at Washington University, in which researchers concluded that mice lost approximately 25 percent of their ...