Despite the fact that Xiao has insisted that he does not sleep, the vigilant yaksha was slumbering peacefully by your side.
His head rested gently against your shoulder, eyes closed as his chest rose and fell in a slow, steady rhythm. The usual crease in his brow was absent, as was the tension in his jaw.
This action of resting near you in such a way was a clear indication of how comfortable he felt around you, how much he trusted you, even with all his doubts and concerns regarding his karmic debt and your safety; those thoughts were far from his mind, at least for now, as he allowed himself to enjoy this simple comfort of your company and warmth.