Meet the doctor only he can confirm.
Well, I know doctors are trained professionals able to emit diagnoses and answer medical questions but going to a doctor costs money, and I thought the point of these sites was to ask other people about stuff before making the decision to go to a doc.
In any case tonight I got some bedclothes off and I didn't sweat anymore, so I guess it was just the bug rising my temperature a bit during sleep or something.
Answering my own question after doing some research, in case someone wonders the same and stumbles upon this post, if you have only one or two night sweat episodes, don't give it any importance. This symptom is only even considered a "symptom" if it happens regularily, that is, every single night for weeks.