Humans sleep less than every other primate on record, despite having the biggest brains — biologists call it the human sleep ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most of us treat sleep like it’s a simple budget item: we ...

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 ...