Writing this as I genuinely don't know the etiquette! The babies in my NCT group are all coming up for their first birthdays, and one mum has organised a soft play party for her daughter which we'd like to go to. However, it's 11am - 2pm which is directly over my baby's nap time and lunch time. She's a terrible sleeper so I hate skipping her nap entirely - do I need to stay for the whole party? My own baby isn't that mobile yet so doesn't get a lot out of soft play either, and finds them a bit overwhelming. I just don't want to be rude and get the etiquette wrong! No other details about food or cake - I could of course ask, its just a bit awkward. Do you think it's acceptable to only go for an hour and a half? Thanks!