Go beyond blackout with SleepMask. Our ultra-comfortable, 100% blackout eye mask features 3 quiet, soothing vibration patterns that are scientifically proven to help you fall asleep faster, stay asleep longer, get deeper sleep and wake up less throughout the night (Results from SleepScore Labs study with 91 subjects, comparing the effects of wearing Therabody SleepMask for 2 weeks to wearing a generic sleep mask for 2 weeks. (Individual results may vary). The soft contoured padding around the eyes conforms to every face shape, while the non-slip strap ensures a secure fit and prevents hair from tangling, so you can sleep soundly in any position.