Lectrofan makes a small bedside noise machine that emits a variety of different "colors" to help you sleep. If you need the whirl of a fan to fall asleep, you're not alone. Many people use white noise ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more When you really need in need of a good night's sleep, there's nothing more irritating than lying awake ...

If you're struggling to sleep, there are certain sounds, like those from white noise machines, that can help block out unwanted noise and lull you to sleep at the same time. Though you've likely heard ...