Smart bed systems come in several forms — covers, adjustable bed bases, or complete mattresses — and use state-of-the-art technology to help you overcome the issues that keep you awake at night.

If a twin-size mattress doesn't cut it, be sure to check out our roundup of the best mattress sales to find picks of every size and type on sale. You can also learn more about the best bed for you ...

Casper's adjustable beds are already 10% off, but you'll unlock bigger savings when you add the best Casper mattress for your ...