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. According ...

If the sound of soothing ocean waves, thunderstorms, or birds chirping helps you fall asleep or wake up, then an alarm clock that can play natural noises is a sleep essential. But, there’s a ...

WASHINGTON—Waterfalls have a specific threshold of water flow that must be maintained to preserve their characteristic sound and appearance, according to research that used audio recordings and images ...

The patter of rain on a roof in the night gets hikers dreaming of a trek to see waterfalls brought to life. Four inches of rain over Thanksgiving weekend got the cascades roaring. They spill over rock ...