We used to think white noise referred to every kind whooshing and whirring sound that wasn’t quite music. Turns out there’s a whole rainbow of possibilities. (We won’t bore you with the specifics of how colored noise is categorized, but if you’re curious, this video provides a good explanation.)

In general, background noise helps us sleep because the buzzing cancels out other sounds (like snoring). While white noise is well-known, you might find that pink or brown noise works better to help you fall asleep. There’s only one way to find out. Check out each option below: