I have always nursed reservations about bunk beds, I think it's a Kobayashi Maru situation. Think about it, if you are top bunk, you could roll off the bed to the floor, I remember quite well in Jss1, I have had countless experience of waking up on another bed entirely, and finding my bed 3 or 4 mattresses away, the saving grace I had, was based in the simple fact that the dormitory arrangement, put at least 3 bunks together, then a slight space in-between, before the next 2, 3, 4 or 5 bunks, depending on the space available. Back home then, my elder brother and I shared a king size, I still managed to find my leg or arm on his body, the merciless sibling would slap it off in a bid to adjust my sleeping position, but I'll be back with another limb five minutes after. My king size background made surviving or sleeping on bunk beds extremely difficult. I just had to roll, toss and turn, sometimes crawl a mile. If you've got bottom bunk, you have to deal with idiots, who cons...