Studies have shown that REM sleep is crucial for memory consolidation, mood regulation, and overall cognitive function. It's the phase where dreams unfold, and your brain performs essential maintenance work. Their Luxe Performance Sleep Mask keeps you in the deep stages of sleep for longer. Made for the perfect beauty sleep, the Luxe mask is made with 100% 30MM Mulberry silk, the highest quality silk in the world. Best for your hair, skincare routine, and eyelashes.