Our ancestors didn’t sleep for eight hours a night. Scientists say they were as much sleep deprived as we are in our modern day life inclined more on technology. Scientists studied the sleep of three current preindustrial societies – the San tribe from Namibia, the Hadza of Tanzania and the […]

We usually bargain to sleep for eight hours a night. Sometimes we even bargain to take a nap during the day time. However, a new study finds our ancestors didn’t sleep for so long and even didn’t take nap most of the days, and yet they lived a healthy life. […]