He missed Hogwarts so much it was like having a constant stomachache. He missed the castle, with its secret passageways and ghosts, his classes, … the mail arriving by owl, eating banquets in the Great Hall, sleeping in his four-poster bed in the tower dormitory, visiting the gamekeeper, Hagrid, in his cabin next to the Forbidden Forest in the grounds, and especially, Quidditch, the most popular sport in the wizarding world
Never tickle a sleeping dragon.
Deliberately causing mayhem in Snape's Potions class was about as safe as poking a sleeping dragon in the eye.
There,” she said softly. “Now he could be sleeping.