I dont know if you need sleep or not, all I know is that I love it. I LUUUUUUUUUUUUUUURVE sleep, I sleep as much as is possible without missing lectures and so forth. My subject is lecture-light and on wed and fri I have nothing to do and on thursdays 1 tutorial at 4pm. I often dont get up till like 1-2 in the afternoon on these days. mmmm, I love my bed