What is the Circadian Rhythm?

Our sleeping pattern follows a circadian rhythm, which is really just a way of saying a daily pattern of wakefulness and sleepiness (circadian derived from Latin: circa – “about” and diem– “day”). Our circadian rhythm is influenced by environmental factors, known as zeitgebers (German for “time-givers”) which help to set this internal clock.   One of the most most powerful zeitgebers … Read More