3 days after Vaccinations and not drinking as much?

[AlienLady]

My DD had her 8 week vaccinations on Tuesday. She drank fine for the last 2 days but today she’s hardly drinking anything and slept through for 6 hours for the first time too so missed her usual two feedings.
is this normal and will she go back to eating again?

Difficult to say how old is she? What vaccinations were they? It's normal for them to be a little sleepy and keep and eye in wet and dirty nappies.
Obviously if difficult to wake /floppy then straight to A and E. Lots going around at the moment. Keep offering and keep an eye out for dehydration