How Technology Is Changing the Way We Sleep

When it comes to sleep, there's a reason technology gets a bad rap. Excessive screen time before bed can disrupt the body's circadian rhythm by suppressing melatonin production--which means you might be better off delaying that late-night Insta-scroll until the daylight hours (or investing in a fancy pair of blue-light blockers). But there's one tech trend that could have the opposite effect: Apps and products that use technology to help you sleep better.