Ciel Phantomhive: He sleeps normally, however, he always finds a way to hold your hand.

Sebastian Michaelis: He lets you cuddle into him and he genuinely smiles; a real smile.

Alois Trancy: Alois cuddles as close to you as possible, squeezing you tightly.

Claude Faustus: He wraps his hands around your waist and holds you tightly, claiming he needed to protect you.

Undertaker: He likes to play with your hair, which makes him fall asleep. 

William T. Spears: You'll lay as close to him as possible. He'll gently pull you even closer and hug you tightly.