I think sometimes parents have the assumption that it's "easier" for daycares to keep kids in pull ups as it takes time to take them to the bathroom and focus on potty training.

I am the same as you. It's my decision if they go into underwear or not. It's my home and my rules. It's not only a pain in the butt to clean up pee off of the floor/couch/play equipment. But it's also unsanitary.

However, I have had one child that showed up in underwear one morning unexpectedly. She had showed signs here, but wasn't consistent. Mom spent 5 days focused on it and decided to send her.

I visit the washroom with the kids at 9:15, 10am, 12pm, 2:30 and 4. It's just the way my day works out. So, she was fine. She did have a few accidents in weeks to come but they were mostly outside.

If the child had consistent accidents then I would have put her in a pull up. I have extras here at the house and quite honestly, although I know I shouldn't be buying them... it's the best investment. I write them off, I rarely use them and I buy the cheapy brand. I have them in case I have a parent who doesn't send one.

In the case of your parent I would tell her that she has to provide pull ups, but you'll try and see how she is. Some kids do train that fast. Who knows! First accident, throw on a pull up.

And a pull up for nap, absolutely! No questions there.