Sleeping in Darkness

You can only sleep in a completely dark room, experts warn If you sleep in not enough dark room it may eventually develop depression, researchers warn. Neuroscientists believe: even the night light or dusky light that penetrates into the room affects the chemical balance and structure of the brain. Such light breaks hormone release melatonin, which helps the body to understand that it was night and go to sleep. A group of scientists from Ohio State Univer...