17 month sleep regression? I NEED SLEEP:(

My 17 month old keeps waking at night and crying and i cant seem to find anything wrong

His naps go like this:

9:30-10:30am nap

1:00-2:30 nap

I know its weird nap times but he wont budge on dropping a nap and just gets all angry.

I am having no sleep myself and just so exhausted. How can I get him to sleep through the night?

My other issue is hes still cruising everywhere, and I cant get him to let go and walk on his own. He gets too scared and just keeps holding on. He just likes to cruise everywhere or crawl, and stands on his own for a few seconds but then grabs something again to hold on. And yes hes on the floor almost all the time

I feel like an awful mom because hes so late on everything