A berth.
sleep place
Yes, another word for a ship's prison is "brig." It is a nautical term commonly used to refer to the place on a ship where prisoners or troublemakers are confined.
The old word for sleep was dorma as in dormant,or dormatory a place to sleep.
sleep
Cargo ship or freighter are synonyms for container ship.
A word beginning with R for sleep is rest.
Another word for place is spot, or position. Another word for place is protection, or harbor.
Ship.
voyage
Vessel
Vessel
somnambulism