6ft beds are one of the king size beds. If you are tired from using small beds with uncomfortable night's sleep then try this big 6ft bed. 6ft beds provide more sleeping space and you will have comfy night's sleep. 6ft beds are one of the king size beds. If you are tired from using small beds with uncomfortable night's sleep then try this big 6ft bed. 6ft beds provide more sleeping space and you will have comfy night's sleep.