Xpert Equine Restorative Equine Mask (REM)Classic Equine Restorative Equine Mask Facilitates the melatonin rise needed for sleep and recovery, improving overall performance Use on horses who are stalled indoors where lights stay on Aids horses with eye injuries Eases travel anxiety The Restoration Equine Mask ensures your horse gets a good night's sleep even with the lights on. Whether your horse is at a show, a vet clinic or a public stable, the lights are on. Have you ever tried to sleep