My husband thinks a king size would take up too much space since our bedroom isnt actually very large. Need to replace all our bedding more less incentive for cuddling higher buy in. Which Mattress Is Bigger Queen Or King King Mattress Mattress Sizes Queen Cons of King Size Mattresses. King vs queen bed pros and cons . At 60 inches wide and 80 inches long they are larger than a double bed but smaller than a king and California king-sized bed. Because they are wider the king bed provides more stretching room. A king size mattress offers ample room check out the best king size mattresses herefor stretching while a queen size bed is better suited for smaller rooms. As a single sleeper a Queen will likely be sufficient regardless of how wide or tall you are. Pros Cons of a Queen Size Mattress. Also its good to pick it if your. Being 16 inches narrower in width than the King allows for a smaller master bedroom to have an adult sized bed that is designed to fit the room...