Sleep

Lack Of Sleep Linked To Heart Attack, Stroke
Not getting enough sleep at night could dramatically increase a person's risk of heart attack or stroke.  A new preliminary study shows people over the age of 45 who sleep less than six hours every night suffer double the risk of having a heart attack or stroke.  They're also at …
Study: Gene Controls Sleep
A gene could hold the key to sleep.  International researchers say a gene variant explains why some people get by on a few hours of shut-eye while others need a long time in bed to feel rested.