Everything’s a little off when you haven’t had any sleep: you can’t remember where you put your cell phone, your eyes burn, ...

A report backed by Harvard University reveals that the body uses a surprising amount of energy to keep functioning, ...

For many people who wake up early to attend school or work during the week, lack of sleep is a common complaint. In a recent Gallup poll, 57% of adults said they would "feel better if they got more ...

Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research. While ...

Sleep deprivation reliably caused attention failures despite their obvious dangers, like the potentially fatal consequences ...