Hermione doesn't mean to fall asleep, but between the warmth of them curled together beneath the bedding, his steady draws of breath, and the mesmerising touch of his fingers to her hair, she slides inexorably toward it. One moment she is forcing her heavy eyes to stay open, trying to figure out when she'll need to renew his numbing charms, and the next minute she is blinking sleepily awake; forehead pressed to the smooth skin of his side, a blissful warmth and sense of wellness suffusing her.