Although the best mattresses feel as soft as clouds, the worst mattresses are clouds that send sleepers plummeting back to Earth. Rest on firmer billows with today's Groupon: for $50, you get $250 toward a queen or king mattress at Mattress Source, valid at locations in Arnold, Belleville, Edwardsville, Fairview Heights, High Ridge, and St. Louis.

Mattress Source furnishes snoozers with soft beds of springs and foam to facilitate restful nights. The large selection of mattress brands―including REM-nabbing devices from Sealy, Spring Air, and Corsicana―presents a variety of mattress styles and levels of firmness, ensuring a comfortable bed regardless of whether one sleeps on one’s back, side, stomach, or next to a steamroller. Queen sets ($249–3,499) catch falling bodies with ample space and king sets ($349–3,999) extend the surface area by a few inches to accommodate maximum sprawl. A team of bedding experts staffs each Mattress Source location, capable of aiding customers in their search for the ideal sleeping slab or deciphering the meaning of a bizarre dream event, such as high-fiving a celebrity or tapping elbows with an anonymous cellist.