With the popularity of white noise machines and apps that play soothing sounds, such as raindrops on a roof and ocean waves, or actual white noise, you might think there’s firm proof that these ...

Which sleep sound are the best for falling asleep? How about staying asleep? And is the future of sleep simply a story without an ending?

We tend to think of sleep as the time when our brains shut down for good, but in fact, what's around us, particularly sound, has great influence on how well we sleep. From the gentle patter of rain to ...