When you go to sleep, make sure there isn't any light in the room; you shouldn't even be able to see your hand in front of you, that's how dark it has to be.
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Unidentified Speaker — Sleep Smarter by Shawn Stevenson (animated book summary) - … [HPFywqpAdTg]Evidence Quote
“You shouldn't even be able to see your hand in front of you, that's how dark it has to be.”
Source
Sleep Smarter by Shawn Stevenson (animated book summary) - How To Get Better Sleep— Better Than YesterdayCreated: 8/13/2026, 9:47:25 AM
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