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 ...

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.

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 ...