The benefits of a good night's sleep - Shai Marcu

9 insights saved from this video by @health

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19th-century psychologist Herman Ebbinghaus found people normally forget 40% of new material within twenty minutes.
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For formulas, sleep three hours after memorizing. For scales, sleep one hour after practicing.
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H.M. could not form new long-term declarative memories after hippocampal removal, yet repetition still taught him physical skills.
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During sleep, roughly one-fifth of your body’s circulating blood is channeled to your brain.
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Non-REM slow-wave sleep consolidates declarative memories, while REM sleep is associated with procedural memories.
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Emotion and heightened stress improve memory recording through the hippocampus’s connection to emotional processing.
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During non-REM slow-wave sleep, declarative memories sit temporarily in the anterior hippocampus, then hippocampus-cortex dialogue moves them to cortical storage.
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Cutting sleep harms long-term health and undermines retention of knowledge and practiced skills from the preceding day.
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Memory consolidation moves information from fleeting short-term memory into durable long-term memory, with the hippocampus central.

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