Hi mummies, thanks for your reply on sleep and nap.
Feb mum, MY has stopped waking up at night for milk long ago (unless he is sick and his appetite at night is not good, then he will wake up in the middle of the night for milk), but we need to wake up to find his pacifier for him if he drops it.
Porky, I still apply diaper cream for MY, cause few months back when the blue desitin finished and left the purple desitin, my MIL stops applying diaper cream as the purple desitin is very strong. Then, he got diaper rash (cause he pooed and my MIL only noticed that he pooed after some time) and we have to bring him to the PD that evening cause very red. The PD says no side effect for applying diaper cream and ask us to continue to apply. So after the MY recovers, we bought the drapolene which is milder for my MIL to use during weekday daytime. I think you better continue to let your boy apply diaper cream, especially since he is in infant care, unless the caregiver can change his diaper as soon as he poos. Think I will apply until he is toilet trained.