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.

Disruption of circadian rhythms can increase susceptibility to multiple diseases (cancer, cardiovascular disease, etc); however, it is surprising that little is known about the consequences of chronic ...