Am I reaping the same benefits from my workout if I split it into two parts (see details)?

So I ride my stationary bike for 45 minutes every day. Today and tomorrow, there’s an extreme heat alert in Toronto (it currently feels like 106F, and tomorrow it’s forecast to feel like 118F).

Because it’s so hot today,while I was on the bike this afternoon I was sweating a lot more than I usually do, and could feel how red my face was getting. So I did 25 minutes, rested for about 15 minutes, then did the other 20.

Do you think splitting my workout this way has any effect on the benefit I’m getting from it?