Who gets to sleep, and for how long, is a complex mix of biology, psychology and society. Here’s what we know so far.

Women may sleep slightly more on average, just as they are slightly shorter on average. But there is no one-size-fits-all ...

We receive messages about the importance of sleep beginning in childhood. You may remember mandatory naps enforced by adults ...

Despite sleeping slightly longer, women often report poorer sleep quality compared to men, influenced by hormonal shifts during puberty, pregnancy, and menopause. Health conditions like iron ...

Sleep may not just be rest for the mind—it may be essential maintenance for the body's power supply. A new study by ...

In the spring and fall, you get a more normal 12 hours of daylight. During those periods, I can tell my body is latching onto a regular Circadian rhythm. But even then, because of where we are ...

I T IS HARD to overstate the importance of sleep. Regular hours of rest offer organisms of all sizes a chance to consolidate ...

Look, I used to think a 1900 calorie meal plan was just about hitting some magic number on my tracking […] The post 1900 ...

Factors like the type of anesthesia used, the circumstances of the procedure, and even medical bias can lead to an ...

If your bedtime routine features an intensive, multi-step process with an arsenal of tools, you might find yourself wondering ...