For better sleep, many people are in the habit of listening to coloured noise, such as white or pink noise. These sounds are generally perceived as calming and are usually used as non-pharmacological ...

POV: It’s 2:00 a.m. and you can’t fall asleep. You’ve tried everything, from cognitive shuffling to counting sheep, but your brain won’t shut off. Your friend swears that white noise helps her sleep, ...

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