Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to the changing numbers on a ...

Molecular clocks in our cells synchronize our bodies with the cycle of night and day, cue us for sleep and waking, and drive daily cycles in virtually every aspect of our physiology. Scientists ...

Too little or too much sleep might be hurting you more than you think.

Clock genes are a set of genes known to contribute to the regulation of the human body's internal 24-hour cycle, also known as the circadian rhythm. One of these genes is the so-called CLOCK gene, a ...

Northwestern Medicine investigators have discovered how disruptions in the circadian rhythm in our muscles combined with poor diet can contribute to the development of diabetes, according to a recent ...

This illustration shows how the components of the cyanobacterial circadian clock interact in a 24-hour cycle. (Image credit: Andy LiWang) Daily cycles in virtually every aspect of our physiology are ...