How much sleep do you get a night?

Diaries from the pre-electric-light-globe Victorian era show adults slept nine to 10 hours a night with periods of rest changing with the seasons in line with sunrise and sunsets.

http://www.youtube.com/watch?v=Yix1O0_70XU

Weird Al's Spiderman song to the tune of Piano Man.

It's not the official video, I couldn't find that, not sure if it exists.. so just spiderman images, mainly from the first two films.