Vida Wisham loves a nice long snooze the night before an exam and will not be caught in the library past 1 a.m.

Polysomnography is considered the gold-standard overnight sleep exam that uses various sensors to record brain activity, ...

A poor night's sleep portends a bleary-eyed next day, but it could also hint at diseases that will strike years down the road ...

Share on Pinterest Sleep is possibly the most important factor for longevity, research shows. Image credit: Maria Korneeva/Getty Images Insomnia is a disorder characterized by experiencing difficulty ...