Draco Eye Mask 2 pack
The hormone Melatonin regulates the day-night cycle of the human body and controls the recovery phases during the sleep.
For the production of this hormone, the human body requires sufficient darkness.
Lightness prevents the production of Melatonin.
Even a little light caused, by any electronics like your cable box, laptop, digital alarm clock can be a disturbance.
The best sleeping mask however will naturally help you increase melatonin levels and increase REM sleep.