The hidden dangers of noise machines: Why your sleep aid might be robbing you of rest Prescription and over-the-counter sleep aids fail to replicate natural sleep architecture, worsen cognitive decline and increase dementia risk, particularly in older adults. Pink and white noise machines, marketed as sleep aids, reduce REM sleep (critical for memory and emotional health) and worsen sleep fragmentation when combined with environmental noise. Unlike artificial soundscapes, earplugs effectively block disruptive noise without interfering with deep or REM sleep, preserving sleep quality. Disrupted sleep increases risks of neurodegeneration (Alzheimer’s), depression, heart disease, diabetes and weakened immunity, making restorative sleep a non-negotiable…

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