I bought the mattress as I was not sleeping well due to a hip problem. I was very restless during the night turning over etc and my partner was being disturbed. With the king mattress and bed it has been wonderful. The King size medium/firm all latex mattress minimises disturbing your partner as well as adjusting beautifully to allow my hip to sink into the mattress just right while supporting the rest of me. I now sleep through the night and my hip has significantly improved. Love this mattress!