Mouth guards for sleep, also called night guards, bite guards, or teeth protectors, are tooth coverings that ease clenching and teeth grinding—a sleep disorder that affects over 30% of adults.

If you grind your teeth at night, a special mouth guard-type of dental appliance -- called a nocturnal bite plate or bite splint -- may be created to prevent tooth damage. How Are Mouth Guards Made?

Sleeping with an occlusal splint, or night guard, is recommended to help with clenching, grinding and even sleep apnea. But OTC night guards can be very risky.

It also offers different types of night guards ranging from heavy that start at $209.99 to soft versions that start at $169.99. Online reviews say the company's night guards are comfortable.