It features a bunch of sound effects, including various types of rain, train noises, birds, frogs, and even some less common ones like a radio static cackle, various fan noises, and wind chimes.

It's no secret that rain sounds offer troubled sleepers comfort. "Rain is predictable, calming, stable, and non-threatening," says Dr. Shelby Harris, a behavioral sleep-medicine specialist.

If you're looking for a speaker to listen to sleep sounds, we recommend the small smart speakers from Amazon and Google. They cost under $100 and easily offer enough fidelity to emulate streams ...

The Homedics Sound Spa strikes the perfect balance of quality and budget, which is why I think it’s the best white noise machine you can get. It’s hard to beat under $25 for a sound machine ...