"There are surprisingly few hours in the middle of the night, if you get up at say 1am and start working on something."

Said rhhardin, in the comments to the last post, the one about stopping at the welcome center in Pennsylvania.

It's a sound observation, and it got me thinking about insomnia and whether it's worse in the winter when the nights are longer. If you're not going to sleep at all, don't you think it's easier in the summer when the night is over quickly?