A new review of research evidence has explored the key differences in how women and men sleep, variations in their body clocks, and how this affects their metabolism.

Human Buddy is an animation show that explores the wonders of the human body in a fun and entertaining style. This episode ...

A new study reveals that a buildup of metabolism in specialized brain cells is what triggers the need for sleep. Sleep may ...

Each individual has a body clock to determine the sleeping and waking cycle. The innate inclination to sleep at a certain time is called a chronotype.