Wolves, REM Sleep and the Advent of Man

While reading the book Why We Sleep by Matthew Walker, PhD I was struck by the thought that maybe, just maybe the taming of wolves by Homo Sapiens allowed early man to get more REM sleep while the wolves "stood guard" at night.

This extra REM sleep may have allowed for better brain "health", more vivid dreaming and maybe just that extra ingredient to allow mankind to become the dominant species on the planet.

As I said - maybe, just maybe.