
Common sleep aid could be quietly interfering with your rest, study suggests
Fox News
Sound machines using "pink noise" may harm sleep quality by reducing REM sleep, according to a University of Pennsylvania study. Earplugs were found to be more effective.
Angelica Stabile is a lifestyle reporter for Fox News Digital.
The research, published in the journal Sleep, found that earplugs were significantly more effective at blocking out traffic noise during sleep.
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