the brain. Before you get to sleep and use your phone, the light of the phone, which affects the brain, stimulates the brain and you will struggle to sleep. When you sleep in the afternoon or in the day, it does really help. However, you should not sleep more than an hour and a half, and not less than 20 minutes, which will make you sleep, but not deep sleep according the professor.
the brain. Before you get to sleep and use your phone, the light of the phone, which affects the brain, stimulates the brain and you will struggle to sleep. When you sleep in the afternoon or in the day, it does really help. However, you should not sleep more than an hour and a half, and not less than 20 minutes, which will make you sleep, but not deep sleep according the professor.