“The mattress you end up choosing for your Murphy bed [will] make or crack the comfort level.” Pair your Murphy bed with a comfortable mattress. And if it arrives with a built-in mattress, attempt cushioning it with a mattress topper. How thick should a Murphy bed mattress be? Peltier suggests https://jasperlmgcv.blogminds.com/a-secret-weapon-for-wooden-beds-full-size-28609574