Bedchamber (noun)

A private room for sleeping, typically in a residence or palace.

Origin:

Bedchamber, from bed + chamber, is a private room for sleeping, typically in a residence or palace.

Examples:

1. The queen's bedchamber was adorned with expensive linens.
2. The bedchamber had a large four-poster bed.
3. He retired to his bedchamber for the night.
4. The bedchamber was decorated with elegant furnishings.
5. She loved the privacy of her own bedchamber.