Am I Normal?sleep
I need background noise — TV, music, or podcast — to fall asleep
For many people, silence amplifies the brain's default mode network — the internal monologue, worries, and intrusive thoughts that emerge when external stimulation is removed. Consistent background noise masks environmental sounds and reduces self-referential thinking, making sleep onset easier.
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Related fact
White noise works by providing a consistent acoustic environment that masks sudden sound changes — it is the changes in sound, not sound itself, that disrupt sleep.
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