Tag: sleep_quality

Penn Medicine Study Links Pink Noise to Reduced REM Sleep, Potential Harm

10 Jul 2026 2:23 a.m.

A Penn Medicine study reveals that pink noise, often used for sleep, may reduce vital REM sleep, potentially harming recovery and brain development. Researchers suggest earplugs are more effective for sleep protection.

Health Business Science & Technology Medical Science Employment and Labor Education Pink Noise REM Sleep Sleep Quality Penn Medicine Mathias Basner Sleep Research Health & Medicine