But what time should you go to bed to make sure you sleep well throughout the night? Enter the time you’d like to wake up in our tool below and, based on 90-minute sleep cycles, we can tell you ...

Get up, go outside for a walk. Morning light is a powerful cue for regulating the production of melatonin, a hormone that controls sleep-wake cycles.

We tend to get more [deep sleep] in the early stages of the night. [Deep] sleep is a generally a good marker of how long we have been awake for and of our 'sleep need.'" ...

We can't talk about morning sunlight and improved sleep hygiene without first addressing our circadian rhythm. This is the body's 24-hour sleep-wake cycle. It naturally responds to light and ...

Other, non-light-related steps to improve sleep include avoiding caffeine after noontime. Caffeine can stay in the body up to 12 hours. Also avoid alcohol within two hours of going to bed.

My fellow Americans, we need to wake up. We are facing a major health crisis and there is only one cure for it: go to sleep. According to a leading neuroscientist at UCLA Berkeley, sleep ...

Blue light suppresses melatonin, the chemical that helps prepare the body for sleep. All light can suppress melatonin, but blue light at night packs a powerful wake-up punch.

Just like a baby needs to adopt a regular sleep schedule, so too does the sleep-deprived adult brain. Here are three expert tips on how to train your brain for better sleep.

It's important to try and wake up and go to sleep at the same time every day to ensure quality sleep. Psychologists recommend avoiding your phone and not hitting snooze right when you wake up.