Smash Notes

Why Are We Still So Sleepy When We Wake Up

Dr. Berlin states that usually when we wake up, it takes about a half hour— subjectively speaking— for the brain to turn on. Some studies have found after the first half hour of sleep, the switching mode capacity between sleep and alertness isn’t as efficient to switch from daily, dreamy mode to attentive mode.

Science Rules! with Bill Nye · What's on Your Mind in That Brain of Yours? · at 38:35 ·

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Featured in: The Science of Sleep: What Matthew Walker and Other Experts Say on Podcasts

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