newsoholic Time to become News Oholic!
Deep in the brain, a small group of nerve cells called the suprachiasmatic nucleus is often referred to as the body's master clock. These cells coordinate internal rhythms such as circadian rhythms (the 24-hour cycle of the day) that regulate sleep, body temperature, hunger, and digestion.
Why do we wake up before the alarm clock rings?
Deep in the brain, a small group of nerve cells called the suprachiasmatic nucleus is often referred to as the body's master clock. These cells coordinate internal rhythms such as circadian rhythms (the 24-hour cycle of the day) that regulate sleep, body temperature, hunger, and digestion.