Tips for becoming a "morning person"? How do you do it?

I am definitely a “night owl” offender. I am actually very productive at night, doing my work and household duties, but I feel terrible all day (drowsy, irritable). Everything seems much more exciting at night, I seem to have a lot more brain activity going on the later it gets. I usually take Ambien, but sometimes I even stay awake through it! Watching tv is also a problem – I really enjoy doing it at night.

The problem is, I am much more productive over the day time if I do manage to wake up at a reasonable time. Getting to sleep before midnight is difficult too. What are some ways you train yourself to be a morning person? How do you encourage yourself to get to sleep at a reasonable hour in the night?