Double-sided mattresses provide two different sleep surfaces and one pressing question: what's the point of a double-sided mattress? Up until recently, I thought flippable mattresses were nothing but a gimmick. But the double-sided Plank Firm might have made me a convert.
The beds in this year's best mattress guide encompass a range of different sleep feels, but none of them offer two firmness levels in one mattress. Double-sided beds are still a rarity, but these mattresses might offer some surprising benefits for sleepers looking to switch things up.
