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Psychology

Why some adults still sleep with the lights on

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Nyctophobia does not vanish when you turn eighteen. A surprisingly high percentage of adults secretly sleep with a hall light on. Darkness strips away the primary visual data needed to monitor threats, leaving the internal alarm systems heavily reliant on sudden sounds. The resulting hyper-vigilance easily translates every creaking floorboard into a lurking monster.

Why some adults still sleep with the lights on
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