Ankh hadn't gotten any sleep since this whole thing started, and as the time passed it was harder and harder to keep his eyes open. He couldn't let himself sleep if there was a chance of Eiji escaping, but eventually he had to give up stubbornly fighting and come up with a compromise. He could sleep if knew Eiji waking up would wake him up too. Meaning he's currently using Eiji as a human pillow.

In his defense, it works. He's always been a light sleeper, and that exaggerated twitch under him is more than enough to jolt him out of sleep. It takes him a moment longer to remember what's going on and why he's laying on a rooftop partially on top of Eiji, but then he quickly sits up and turns so he can easily grab Eiji again if he tries to move.