Morrisons cafe open on a sunday mornin?

I've just woke up with a hangover, and need a big tasty fry up to replenish my salts....only place i can think of that might be open is a supermarket cafe...does any1 know if morrisons cafe is open on a sunday mornin, cos i can pick up a tasty salad while im there to munch on through the day....?