Imagine castiel and sam driving you around to help you sleep.

"Sammy I can't sleep." you say rubbing your eyes and yawning from the lack of sleep you soon would be getting. "Well what can I and Cas do to help you fall asleep?" sam asks you with a smile on his face and looking at the man in the trench coat. "Can we go for a long drive and maybe i will be able to sleep." you says grabbing the car keys and handing them to sammy knowing he would say yes. So you got into the backseat of the impala painted midnight black and sprawled out getting comfy and ready to fall asleep. Sammy had turned on the radio to some soft classical music that would help you relax and started driving down a long road and onto the inner state which had many beautiful lights for you to look at. Soon after a little while you had decided to close your eyes and relax and listen to the music soon you found yourself falling asleep while sam and cas were quietly talking about a hunt. Sammy decided to look back after a while to find you sleeping in the back and all he could do was smile. "Nighty night sleepy bear don't let the monsters scare you."

(And that's it sorry its kinda short and sweet i haven't wrote imagines in a long time they will hopefully get longer soon.)