was sleeping by the coal fire in my house (its not an open one) so it has this glass window on it, and in my sleep i lifted my arm up to get the light out my eyes and burnt all my arm off the roasting glass, i am in the worst pain ever. i dont know what to do

i know painkillers wont help or anything. and its also like 1:40am. so i cant ask my mum, im sooooooo sore, my arm is also... all blistered. Amazing