Randomized Trialhigh evidence
Efficacy of pink noise and earplugs for mitigating the effects of intermittent environmental noise exposure on sleep.
Sleep·May 12, 2026·PMID 41627391
Why it mattersPink noise is often marketed as a sleep aid, but this study shows it can reduce REM sleep and worsen sleep architecture when used during noise exposure. Specialists should be aware of these potential harms when patients ask about or use broadband noise for sleep.
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