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The threat of predators may have led humans to sleep less than tree-living primates. Yet, scientists point out that existing data about sleep in primates come from captive animals, who may sleep more because the animals are bored.
Having data from more wild animals would help sleep researchers although it is more challenging to do. If scientists had a clearer picture of primate sleep in the wild, it might turn out that human sleep isn’t as exceptionally short as it seems.
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The San hunter-gatherers of Namibia have no electric lights or new Netflix releases that keep them awake. Yet, they don't sleep more than the typical Western city-dweller who stays up doom-scrolling on their smartphone.
To learn about how ancient humans slept, anthropologists study contemporary non-industrial societies, such as the Hadza hunter-gatherers of Tanzania and various groups in Madagascar, Guatemala, and elsewhere. Sleep across all three groups averages around 5.7 - 7.1 hours, which is much les...
How much we sleep is different from how much we wish we slept. Research from 2017 shows that out of 37 people, 35 said they slept just enough. On average, they slept about 6.25 hours a night. But they awoke frequently and needed more than 9 hours in bed to get those 6.25 hours.
Always appreciate the time you get, because you never know how much longer it`ll last.
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