How much “water” do we have at 22 weeks?

I’m currently sick with COVID so I’ve been napping all day I’m on day 3 I’ve barely kept up my hydration today because Ive been sleeping a lot compared to the first 2 days I drank so much water. Anyway I’m 22 weeks & I woke up from a nap to go pee & I noticed my underwear is wet.. also my inner thigh area. My pants don’t feel wet nor the area I was sleeping in. I’m hoping I just peed myself but I’ve never had any thing like this happen not even when my bladder was really full did I leak pee. If in case it was my water how much should come out? I know when you’re further along it’s a lot but not quiet sure for 22 weeks I hope I’m making sense. I do plan on calling my OB but wanted to get some advise before I do. Just wanna know if it is pee (which as embarrassing as it is I’m hoping it is) or my water possibly breaking.