This spectacular eye mask allows you to sleep 2 hours in 20 minutes, because it produces melatonin, the necessary hormone in a variety of cellular, neuroendocrine and neurophysiological processes, such as controlling the daily sleep cycle, through ReNu, a technology that creates deep relaxation so that one feels better. This eye mask provides micro stimulation to relax while listening to relaxing music. It is an excellent option for those people who work hard all day long.