Here’s why you should stop complaining about being tired all the time.

LA Times – If you ever wish you could live in a simpler time when the pressures of modern life didn’t make you feel sleep-deprived, scientists have two words for you: Dream on.

A new study of three preindustrial societies reveals that our early human ancestors probably got about the same amount of sleep as we do. Members of the Hazda, San and Tsimane societies slumber for an average of only 5.7 hours to 7.1 hours at night — and for the most part, they don’t take naps.

“They do not sleep more than most individuals in industrial societies,” the study authors wrote Thursday in the journal Current Biology.

The notion that humans would get more sleep in a world devoid of artificial light, Starbucks and the Internet as is widespread as it is persistent. The authors of the study — which was spearheaded by Jerome Siegel, director of UCLA’s Center for Sleep Research — noted that “complaints about reduced sleep time in the ‘modern world’ were made at least as far back as the 1880s.”

Read more: LA Times