San Franciscans apparently love their sleep, because everybody closes at 8 or 9. Here are some night owls who buck the trend:

Restaurants

• Chow in The Castro on Church and Market (until 11pm, midnight Fri-Sat)
• Crepes A-Go-Go in the Marina (until Midnight Fri-Sat)
• El Farolito (2779 Mission Street until 3 am, 4817 Mission Street until 2 am)
• First Crush in Union Square — Wine bar that serves food till 11pm
• Frjtz on Valencia at 16th — Belgian fries
• The Grubstake (until 4 am)
• In-N-Out Burger (until 1am Sun-Thu, 1:30am Fri-Sat)
• It's Tops in The Castro Market near Octavia (until 3am Wed-Sat)
• Mel's Drive-In (of the 4 locations in SF, some close as early as 1am and as late as 4am)
• Oola (until 1am Tues-Sat, 12am Sun-Mon)
• Osha Thai (of the 5 locations in SF, some close as early as 11pm and as late as 3am)
• Pizza Orgasmica in the Marina on Fillmore near Greenwich (until midnight, 2am Thurs-Sat)
• The Pork Store on Valencia (until 3 am Thu-Sat)
• Ramblas on Valencia (until midnight Fri-Sat) — Tapas
• Sam Wo (until 3am)
• Sauce in Hayes Valley on Gough (open until 2am) — try their social places as communal munchies for your table. Also a bar.
• Spices! and Spices! II (open till midnight)
• Taqueria Cancun (until 3am)
• Taqueria Vallarta (until 3am)

Fast Food

• Pita Pit on Chestnut near Scott (until midnight, 2am Thursday, 3am Fri-Sat)

Also check out places that are Open 24 hours