New York Post may receive revenue from affiliate and advertising partnerships for sharing this content and/or when you make a purchase. Sleep is not just a “nice-to-have” — it’s a biological necessity ...

This white noise machine makes a calming, steady sound that blocks out distractions and helps you sleep better. The consistent background noise can help you fall asleep faster and stay asleep longer.

As many as 70 million adults in the U.S. don’t sleep as well as they might like, and research suggests 1 in 5 takes some kind of sleep aid to help. Older adults are especially prone to sleep troubles, ...