The human body is home to a long list of complex processes, many of which are controlled by four key biological rhythms. Here’s what you need to know. As autumn settles in and the nights grow ...

Morning brings the brightest moods, while midnight is when people feel their worst, according to a large study. Mental health ...

Your circadian rhythm is one of four biological rhythms in the body. It helps control your daily schedule for sleep and wakefulness. Most living things have one. Your circadian rhythm affects ...

An individual's biological clock can be set earlier or later, but keeping cues that influence circadian rhythm steady can help everyone maintain their routine. Waking up and going to sleep at the ...

But in April Ulfhake’s team reported finding a hidden biological rhythm in lab mice that oscillates over months rather than hours, and seems to make mice far more active than usual.

Your workout routine might be holding you back. Discover science-backed strategies that can improve strength, endurance, and recovery.

For humans, the circadian rhythm repeats every 24 hours, based on the body’s biological clock or circadian clock. The ...

“The abrupt shift in timing caused by DST creates a state of ‘social jet lag,’ where our biological rhythms are out of alignment with the external clock,” says Mollie Eastman, sleep ...