Ariana
He gave a nod and stared into the embers.

"We should rest, I can take first watch. We can move out at first light." He told Byleth and would then pull out his sword and began to sharpen it. Looking at the shiny blade before continuing to sharpen it a bit more.
Christopher
"Could use daedra to watch... Unreliable though... I'm sure you can keep guard. I usually wake early regardless."

*He laid on his right side, he could lock his joints to put himself at rest.*
Ariana
He would give a assuring nod and kept by the fire. Looking around their surroundings in random intervals to keep a watch on their area.