by Daniel Fink, MD, Chair, The Quiet Coalition

A good night’s sleep is important for health and normal daily function.

Humans can’t close our ears, and sound as quiet as 32 to 35 decibels–there is some individual variation in how deeply one sleeps–can disturb sleep, measured by microarousals (brief mini arousals from sleep) on electroencephalography.

This piece from the UK discusses new gadgets that purport to help you sleep better. So if you are looking for sleep headphones, a bodyclock that simulates a natural and gradual sunrise, or a device that stimulates alpha waves while limiting “sleep-affecting delta waves,” click the first link and get out your credit cards.

But we think the best thing for a good night’s sleep is a comfortable bed and pillow, and quiet.

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