Final answer:
The quotes pertain to character interactions and sleeping arrangements in literature, revealing emotions and contributing to story atmosphere.
Step-by-step explanation:
The quotes you've shared are centered around character interactions and sleeping habits or arrangements in various literary contexts. The characters discuss or reveal their attitudes toward bedtime, privacy, and in some instances, health or sanity.
These excerpts demonstrate different aspects of character development and plot progression through dialogue and internal monologue related to the theme of sleeping and bedrooms.
Examples like a character not liking their room, being unable to sleep, or locking a door to prevent others from entering reveal different emotional states and contribute to the atmosphere of a story.