Everyone says you need 8 hours of sleep. But what if "good sleep" isn't about the number on the clock, but the number of times you actually dream? I woke up after 5 hours feeling more rested than after a groggy 9-hour marathon. Maybe we're measuring the wrong thing.
Everyone says you need 8 hours of sleep. But what if "good sleep" isn't about the number on the clock, but the number of times you actually dream? I woke up after 5 hours feeling more rested than after a groggy 9-hour marathon. Maybe we're measuring the wrong thing.
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