Sleep in complete darkness are as close as possible

Use light-blocking drapes on windows and cover up those small lights on appliances and in your bedroom that emit light (such as a switch light, smoke alarm, alarm clock or thermostat). When light is present, even when the eyes are closed, it can disrupt the circadian rhythm or the pineal gland and production of melatonin and serotonin. Also have as little light in the bathroom as possible if you get up in the middle of the night. Wear a mask if needed.