Even from this distance he picked up on the shudder, lips curving wide in an amused smile as he watched the other man attempt to pin-point his location. It occurred to him briefly to simply slip away, to leave the guy wondering whether there really had been someone there or whether it was nothing more than his imagination, but ultimately his boredom wouldn't allow it. Despite the enforced curfew, disappointingly little was actually going on out here at night, and he needed to entertain himself somehow.

He waited until he was certain the guards' attention was directed elsewhere before slipping out from the shadows just long enough to ensure his fellow 'Sleeper' would catch sight of him, before stepping back into his hidden position again to wait for a reaction.