I don't know if anyone's posted this, but it seems like something pretty obvious. Most of us know that light can induce a lucid dream if it's powerful enough to get over to your dream world, well, sound can too. If you've never tried this, I'll go into a little detail. Mainly I just turn on the TV and nap (this is normally on days I've had little to no sleep) and in the dream I either become lucid or have a very vivid dream which is actively controlled by the show I'm hearing. Now I've never tried this on purpose, but I think it would work if anyone else wants to try it out too.

step 1) wait for a show to come on TV that you will recognize (a.k.a: sitcom, movie, or game show as they are more repetitive than dramas). If you come across a marathon of your favorite show, one you've seen every episode of, you've struck gold.

step 2) make sure the volume is up just high enough to be able to easily hear and understand, but not so loud you can't fall asleep

step 3) check out, hit the hay, go to sleep.

step 4) dream, lucidly I hope.

Well, it's pretty simple so that's all there really is. I'd love to hear if this works for anyone else or if they've already had it happen to them. Any feedback is much appreciated.