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by jkaplowitz
2831 days ago
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Scientific evidence matches your anecdotes. There is a very small percentage of people whose genes allow them to only need 4-5 hours of sleep each night. It's somewhere in the low single digit percentages. For the rest of us, 7-9 hours are required for proper functioning. If we get by on less, we're functioning suboptimally whether we realize it or not. |
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