What are some things to do in san francisco at night?.. besides going to a bar or a club.?

sleepWhat are some things to do in san francisco at night?.. besides going to a bar or a club.?
Cable car runs thru midnight or 1am. That's pretty at night, especially when you're on the hilly parts.

There are plays in the evenings in the theater district around Mason and Geary Streets.

If you have a car, there are places to see the city lights by the bridge or at Twin Peaks...What are some things to do in san francisco at night?.. besides going to a bar or a club.?
Take a walk through Chinatown. It is best at night. Smell the incense and listen to mah jong tiles clatter in the alleys.