Insomniacs take heart: Humans get by on significantly less sleep than our closest animal relatives. The secret, according to a new study of slumber patterns across 21 species of primates, is that our sleep is more efficient.
Insomniacs take heart: Humans get by on significantly less sleep than our closest animal relatives. The secret, according to a new study of slumber patterns across 21 species of primates, is that our sleep is more efficient.
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