A new study suggests that stronger patterns of daily activity and rest, known as rest-activity rhythms, can strengthen ...

Your circadian rhythm is your body’s internal clock. Light, sleep patterns, hormones, meals, and temperature can all influence your circadian rhythm, which in turn can influence your overall health.

Circadian rhythms are cycles in the body that occur roughly across 24 hours. In humans, circadian rhythms cause physical and mental changes in the body, including feelings of wakefulness and sleep.

ITHACA, N.Y. -- Babies have us beat when it comes to picking up languages and distinguishing faces from foreign cultures. But babies also have the beat: Researchers at Cornell University and the ...