Tag Archives: sleep

Circadian Rhythms for Cognition and Health

We have evolved an internal biological clock, called the circadian rhythm, to help our bodies adapt to the daily cycle of day and night (light and dark) as the Earth rotates every 24 hours. The term “circadian” comes from the Latin words for ‘about’ (circa) and ‘a day’ (diem). Circadian Rhythm Basics Our cells contain tiny molecular […]