Few things are more frustrating and demoralizing than sleep deprivation, and some of us need a little extra help to fall asleep—and stay that way. Check out these five apps, gadgets, and accessories that can help you get a better night's sleep. Lull yourself to sleep with the Sound+Sleep SE Therapy System, programmed with 64 immersive, non-repeating sound environments to mask noise and relax you before bed. Get it now for $79.99 (27% off). Turn your bed into a soft cloud with the iEnjoy Home Navy 6-Piece Sheet Set—made from double-brushed, hypoallergenic microfiber yarns—for only $28.99 (71% off). This Bamboo Knee Pillow that aligns your spine to alleviate any low back and leg discomfort keeping you up at night is 54% off right now. The fully-customizable Manta Sleep Mask offers a 100% darkness experience, so you can get REM sleep even on an airplane or during broad daylight. It’s currently on sale for $29.99. Finally, take a step to prevent snoring (and fighting with your partner about it) with these comfortable Anti-Snoring Jaw Straps for $12.99 (2-pack).