The Glo to Sleep Advanced Eye Mask is an effective, safe and natural way to help you get the sleep your body needs. By looking at the dimming Points of Glo and breathing in a relaxed manner, your mind will let go of the thoughts and worries that can keep you awake. The GTS-2000SE is melatonin friendly for better sleep. The dimming light is pleasant to look at and distracts your brain from thoughts keeping you awake. The dimming and slowing pulsating light option, Patented Sleep Enhancement mode lulls you to sleep. The mask blocks out external light that can keep you awake or wake you too early in the morning. Sleep doctors regularly recommend the use of sleep masks to control your light environment. The Glo to Sleep Advanced Therapy Mask is perfect for getting quality sleep on airplanes, trains or buses where a variety of sleep distracting light is common. Ideal for shift workers that need to sleep during daylight. Professional sleep coach audio track specially made for the GTS-200SE included. The smooth voice and proven relaxation technique complements the mask's light therapy.