Dear Doctors: Our sound machine died, and my husband is shopping for a new one. It made sounds like rain and surf, which helped both of us sleep. The ads for some of the new machines talk about ...

I tried Amazon's popular Big Red Rooster machine, a white noise machine for people who can't sleep. The sleep machine has over 22,000 five-star ratings, and this is my personal review.

When you really need in need of a good night's sleep, there's nothing more irritating than lying awake noticing every little sound, from cars passing by to your neighbor's music to your pet's midnight ...