Scientists have discovered why people are “larks” or “owls”
Canadian scientists have determined that their habits to stay to the night or to Wake up early in the morning, we owe the life of our ancient ancestors, reports the BBC. Anthropologists explained that our ancestors never slept all at the same time, because someone always needs to stand guard and protect his tribe. In the study, scientists watched the indigenous people of the hadza, who still lives a tribe in Northern Tanzania. They followed them for 200 hours and […]
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