Among the many things an athlete needs to know about sleep and performance, none is more important than understanding how your z's impact muscle recovery. Agonizing CrossFit WODs, grueling endurance sessions, and heavy weightlifting routines all tax your body and cause muscle damage. It's not a matter of if—it's a matter of how much.

Sleep is when your body starts whirring into action. Like a computer doing a background sweep for viruses, your body goes to work flushing out toxins, repairing damaged tissues, and building new muscle—all while you're blissfully unaware.

But let's be real: Rare is the night when you're out cold in two minutes flat and snoozing comfortably until daylight. That's where these upgrades—which can help you transform your bedroom environment to promote better sleep habits—come in. Investing in smarter, sleep-priming products—like a cooling comforter, a customizable bed, and a sound-blanketing noise machine—can turn your sleep space into your sanctuary.

Here are 10 gadgets, high-quality products, and pieces of clever tech that can improve your sleep.