this insomnia. [temporary]

soo i could not sleep for like 12 hours i woke up yesterday morning and i was fine. then i tried to sleep last night i tried everything but i just could not go to sleep. i thought it was becase of the light on in the hallway so i shut my door then i tried all these other things nothing workkedd! i was up until 4 something then i fell asleep finallyy! but is this normal? this also happened sunday.