Other tribes were asked for their sleep data ... to stop worrying about not getting enough sleep – and just to chill, like a caveman.

"How to Sleep Like A Caveman". Combining research into Paleolithic sleep with observations of modern hunter-gatherer tribes, Dr. van de Laar thinks the Paleolithic lifestyle might offer some ...

While he is quick to point out that these tribes aren’t “living fossils ... If you want to sleep like a caveman, consider turning your heating down, because our sleep patterns are influenced ...

A new GEICO ad shows a self-aware caveman waking up in the middle of the night and grappling with a reminder of what used to be. As part of the commercial, the caveman considers whether he wants ...

A tribe of cavemen sit grunting around a fire. An antelope turns on a spit. Suddenly another caveman runs in, breathlessly, from the bush. “Something happened,” he says. They all turn.