Can a body pillow actually help when you're sleeping alone? We skip the jokes and the overselling — and get into the real, physical reason people reach for one, what it genuinely helps with, and what it honestly can't do.

Your mattress is sagging, your back aches every morning, and replacing it feels like a big spend. Sound familiar? Before you invest in a brand-new mattress, find out if a mattress topper could be the affordable fix that transforms your sleep — and when it simply won't cut it.