White noise sounds similar to TV or radio 'static', but constant background noises such as a washing machine, vacuum cleaner, fan or running water also help promote sleep in the same way.

White noise The term ‘white noise’ comes from ... Rainfall, thunder, and showers with strong water pressure contain brown ...

Some sleep machines produce dangerous amounts of white noise, but that doesn’t mean they can’t be used safely It truly pains me to bring you tired parents another round of “Is this bad for ...

From minimal white noise machines to high-tech sleep aids, I’ve rounded up the best portable sleep products that make winding down easier and staying asleep a breeze, wherever you are.