Does a couple need a particular mattress size?
As a rule, a king or a queen-size mattress provides the most room and the best comfort. You might want to consider a mattress that minimizes sleep disturbances when either of you move during the night. Some mattresses are constructed to minimize the impact of partners moving. The mattresses in the Simmons Beautyrest® product line feature a varying Motion Separation Index, which rates how well the mattress keeps partner movement from disturbing sleep. You should both evaluate a potential mattress purchase. A spacious mattress will help you sleep better – and you’ll both be more rested in the morning.