It is ideal to have enough space so each of your child has its own bedroom. But what if you have just one bedroom and four kids? The best way out is opting for bunk beds that will accomodate all of your kids plus will help solving space issues.
27 Ways To Rethink Your Bed: Bed in a Closet. Also check out the Roll-Away Bed under a Platform; Cool way to quickly tidy up a small space, and keep pet hair off the bed! Maybe put a little reading or office space on top on the bed?