Circadian Rhythm: Your Body Clock
Many of our body's functions are synchronized with the appearance and disappearance of light.
Key Facts In This Video
The body's systems follow a circadian rhythm, which is synchronized with the rise and set of the sun. (0:37)
Humans are generally the only species who subscribe to a once-a-day sleeping pattern. (2:18)
Constant disruptions from our regular sleep patterns can be linked to diabetes, obesity and depression. (2:54)