Sleep is often treated as a casualty of modern life. Artificial lighting, shift work, endless notifications and late-night ...

With this wider view, Samson builds a complex argument about human sleep. He argues it’s a big part of what makes us human.

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 ...

It has long been hypothesized that REM sleep and the stress response are linked, until now the mechanism has been unknown and might shed light on some mood disorder treatments. Everybody hurts after a ...

Many experts believe that we are going through a sleep crisis. While it has been an issue for a long time, many believe the problem has become significantly worse since the pandemic. In June 2024, the ...

Humans aren’t the only creatures that need to snooze. A peer-reviewed study by Bar-Ilan University researchers shows that sleep is an ancient process, dating back through evolutionary history, and an ...

In a recent study published in the journal Genome Biology and Evolution, researchers examined the differences in circadian biology between the ancestors of modern humans and the archaic hominins such ...

If jellyfish need sleep to keep their nerve nets intact, the need to sleep probably predates the evolution of brains, eyes, and even bodies that are the same on both left and right sides. In ...