The quote captures a moment of peaceful escape, where the character finds solace in the idea of sleep. By illustrating sleep as a tangible destination, akin to familiar and comforting places like home or the kitchen, it emphasizes the paralleled safety and warmth associated with these locations.
This imagery suggests that the act of sleeping offers a retreat from the world, much like a mouse seeking refuge. The character's action of curling up and closing his eyes underlines a sense of vulnerability and trust in the comfort of rest, making it a metaphor for finding peace in one's surroundings.