ReiBert Prompt 1: Night Terrors (AU)-

"Reiner? Are you okay?"
Reiner looked up from his hands, snapped out of his thoughts. "H- huh?"
"You've been out of it for a few days…" Bertholdt pointed out, a small bead of sweat sliding down the side of his face.
"I- I'm fine; I just didn't sleep well last night," Reiner replied quietly.
"Did you have a bad dream?"
It wasn't me who had the bad dream…

Reiner jolted awake to hear bed sheets rustling and a very troubled mass of shouts. He looked to the other side of the bedroom, turning on the light at his bedside.
Kicking around in bed was Bertholdt, who was still asleep. He was in the midst of a night terror.
The blond boy could only watch, worried for his best friend. I'm sorry I can't wake you up, Bertl…

This had been going on every night for a number of nights. Bertholdt would have night terrors, and as a result, he could not remember them.
Reiner was plagued with knowing the truth and having to watch. He couldn't even ask what Bertholdt was dreaming. He couldn't wake him; he couldn't do anything but watch. He hated every second of it…