My wife and I recently quit watching TV altogether -- we used to watch a movie nearly every night -- and have switched to reading. We are both sleeping better -- a lot better. I find myself wanting to recommend it to everyone I know who has trouble sleeping, but it's quite tricky (maybe even impossible) to talk about quitting TV without coming off as horribly snobbish/elitist.

Edit: the very negative reactions so far in this thread are an example of what I mean. But I do get it, since prior to quitting myself, hearing something like this probably would've pissed me off.