First things first. Research shows sleep duration — how many hours of sleep you get each night — is clearly important, and not just for longevity: Achieving optimal sleep duration has been the focus ...

Millions of simulations form a rough map of all conceivable outcomes when three objects meet, like a vast tapestry woven from the threads of initial configurations. This is where the isles of ...

A new study suggests catching some sunshine outdoors might actually help chase away the blues. The research shows a connection between bright light exposure, regular sleep patterns and reduced ...

Share on Pinterest A new study found an increased risk of cardiovascular events in people with irregular sleep patterns. nong2/Getty Images Sleep regularity (waking up and going to bed at the same ...

A study of adolescents found that sleep regularity moderates the relationship between sleep difficulties and mental health symptoms. Adolescents who had trouble sleeping on one night tended to show ...

A trio of animal physiologists at the University of Tübingen, in Germany, has found that at least one species of crow has the ability to recognize geometric regularity. In their study published in the ...