Tired..

I'm now staying awake but last night I didn't even sleep for few hours. I was talking with some friends till 4 something in the morning. Then I tried to sleep because today is a quite important day for me. But while i was on the bed, there's so many mosquito bitting me. I totally can't sleep till now. I don't know what should I do. I'm really tired but while I was on the bed then my brain keeps working.