Feeling extra snappy? A lack of sleep might have something to do with it.

I've always wondered what exactly happens inside my brain after a sleepless night. Why does everything feel harder—thinking ...

The CDC identifies sleep deprivation as a critical public health issue, noting that a third of Americans do not achieve the ...

New research shows that sleep loss alters specific memory circuits, but also hints that a familiar compound may help restore ...

Add Yahoo as a preferred source to see more of our stories on Google. (Mapodile/E+/Getty Images) Many of us enjoy a cup of coffee as an early morning pick-me-up, but caffeine's powers could extend far ...

A sleep expert has revealed some unexpected advice for ensuring you get sufficient rest. He cautioned against reducing your ...

New research highlights ten overlooked symptoms that may signal harmful sleep deprivation, from unusual food cravings to sudden emotional changes. Scientists warn that chronic sleep loss can impair ...

A student sleeps in bed. Clinical psychologist Kara Duraccio said a good night's rest will impact many aspects of a person's life. (Patsy Buyack) Although student life is busy, getting adequate sleep ...

For decades, we’ve been trained to think about weight as it relates to physical activity—as in, regular workouts are key to maintaining a healthy body weight. Yet as scientists’ understanding of ...

Many of us have been hearing the weight loss hormone story for a while. If you are sleep deprived: Your body makes more Ghrelin-the hormone that says GO, eat more and Your body makes less Leptin-the ...

Objectives To study the associations between daily self-reported stress, sleep quality, muscle soreness and fatigue in the ...

Over the years, I’ve treated hundreds of patients who struggle with both sleep and weight issues. Many of them are women. From patients, I often hear: “I’m not sleeping well. And I can’t seem to lose ...