For millions of adults, sleeping less has become normal. Busy schedules, stress, smartphones, work demands and constant stimulation have pushed sleep lower on the priority list in modern life. Many ...

Sleep is an incredible physical process. There is an early night surge of growth hormone to restore muscle and a slow drop in ...

In February, a pop-up science column, Annals of Inquiry, is appearing in place of Kyle Chayka’s column, Infinite Scroll. Chayka will return in March. When Joanne Osmond was growing up, in rural ...

Stress comes in many forms for athletes. The thrust of a full-on sprint, the torquing combination of movements, and the paced breathing of swimming free-style. The throwing, the catching, and the ...

How does your brain know when it's time to sleep? There are two main factors: Hours Awake. The longer you've been awake, the stronger your drive for sleep. Circadian Rhythm. Your body operates on a ...

On dry nights, the San hunter-gatherers of Namibia often sleep under the stars. They have no electric lights or new Netflix releases keeping them awake. Yet when they rise in the morning, they haven’t ...