"Layabout," Amy said, grabbing the pillow from his hands and throwing it back at him. "It's Christmas, and I promise you can go back to bed after presents."
She continued bouncing and nagging--gently--to wake him up. "Oh look, it's the Grinch!" she chirped after he grumbled a greeting. "Happy Christmas, sleepyhead." She gave him a fond smile despite his grumbling. "Don't you want to open your presents?"
She wasn't completely unfamiliar with earlymorning!Thomas, and she knew she could jostle him into wakefulness and even congeniality eventually. It wasn't the first time she'd had to drag him out of bed, though admittedly it was usually with the permission of other boys in the dorm.