For many, the smartphone is the last thing they see at night and the first in the morning. However, the blue light from the screen signals to your brain: it is daytime! The production of the sleep hormone melatonin is suppressed. The result: it is harder to fall asleep, and sleep is less restful. The golden rule for better sleep: banish your phone from the bedroom at least 30 minutes before bedtime and get an analog alarm clock.
