Circadian rhythms are governed by a master clock, a group of neurons called the suprachiasmatic nucleus, located in a region of the brain called the hypothalamus. This master clock translates cues ...

That second wave of energy is a normal part of the human circadian rhythm, but lifestyle factors also play a role.

Whilst you're fast asleep, your body is hard at work. From repairing tissue to balancing hormones, these vital processes ...

Northwestern Medicine investigators have discovered how disruptions in the circadian rhythm in our muscles combined with poor ...