Fun find: http://morningcalm.koreanair.com/

If you go to the back section, in the information, they have a guide to their service schedule for your flights. Very useful.

Also, they will give you whatever you want, when you want. For instance, if you're sleeping (in, gasp!, economy), they put a sticker on your seat that says "We didn't want to wake you, let us know when you want to eat."