So he doesnt have set routines but does have 2 naps a day and is a nightmare sleeper otherwise which makes him and me a grumpy mess. We are seeing the MIL on sunday who has told us to be there at set times, what time is food (it's only lunch) etc and its only 10min away so DS wont get a decent nap en route. Fat chance he will sleep there as hes not the type to just drop on the sofa and sleep and he has only been there once before so will not feel comfortable I expect (they insisit on coming here usually) She has had 2 children but cant see why saying 'he will be OK missing a nap' isn't an option when he will be an overtired mess going into christmas eve....aib selfish here and should suck it up