Bunk Beds - The Best Alternative to single person bunk bed Bed Bunk Beds Bunk beds allow kids to share a space while saving on floor Www.Bunkbedsstore.Uk space. They are also a great choice for families who have limited storage space. Certain bunk beds have stairs that are easy to climb which Fenton says "take up more real estate but are a little easier to summit than ladders" and are safer for children younger than the age of five who may be prone to falling off higher beds. Size If you have children of various age groups sharing a room, bunk beds may be an ideal option. They can help save space and keep siblings close even as they age. However, it is important to take their age into consideration when selecting the best single high bunk bed bed for them. Kids under the age of six are not recommended to sleep on top.