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Abstraction · 61-69, M
That is scientifically rock solid. And if you don't get the full sleep your brain will not sufficiently store memories from the hippocampus to the long term memory (so yesterday will be vague), or create learnings by connecting it to other unexpected ideas, or help you master a skill. All while you sleep.
8 hours. Less than seven is worse for your health than smoking. No, really.
8 hours. Less than seven is worse for your health than smoking. No, really.