Don’t snooze on this — the fast-selling WHOOP Sleep Mask is back. We updated it based on your feedback, so now it has a new and improved strap designed to increase comfort and make adjustments easier. It fits snugly across a variety of face shapes to block light effectively, and an internal WHOOP study showed:

• An average of 6% increase in the time spent in REM sleep.

Sleep is essential to improve recovery, boost your immune system, and make fitness gains. The WHOOP Sleep Mask is here to help you get serious about the time you spend in bed. The molded face mask fits snugly across various face shapes to block light effectively, and is the ideal accessory to maximize your performance at night and during the day.