Late-night snacks are problematic

You need around seven hours of sleep a night. Children need more, and older folks less. Sleeping much more or notably less than seven hours is associated with a shorter lifespan.

Consistency is as important. You need a regular schedule for when you wake up, when you have y...

Light at night means less melatonin - which means poor sleep and a foggy brain the next day. Blue light sends a powerful signal to your brain that it is daytime, but it's not the only problem. All light is a problem. After dark, all light should be reduced, with as little light a...

Every cell and organ in your body has a clock. If things are working right, they are in sync with your brain. But if things aren't in sync, your hormones are out of whack, causing problems with your energy levels, hunger, stress and overall health.

The most important facto...

Many people live like shift workers to some degree. The majority of people either go to bed after midnight or wake up early without getting enough sleep.

Shift work is a probable carcinogen, according to the WHO. Moreover, there is a list of health problems associated with...

As soon as you wake up, go outside and get sunlight onto your eyes. (Don't stare directly into the sun.)

Your retinas get more sensitive as the day goes on, and they are less sensitive in the morning. You need to spend about 2 - 10 minutes outside, depending on how bright ...