No. Many families who have a lot of children often have several children share the same room.
If a person is already asleep an an animal comes in the same room to sleep then human beings can sleep with animals.
You can
* Unless you are in the same room as they are then you will never know if they talk about you in their sleep.
Yes, of course you can
yes!
No. He or she will sleep in the same room as your character and her spouse.
Entire families share the same room. There is no 'law' against it.
No I believe they had twin beds in the same room.
Same as USA. Income insufficient to pay for more housing room.
Just like in Alaska the close the curtains or what ever to make the room dark and then they sleep. Basically, that's correct. But a better answer is "Discipline" or "Sleep Etiquette". A darkened, quiet room conducive to sleeping. Following the same ritualized behaviors at bedtime. Most sleep onset and maintinence disorders are treated the same.
If you don't mind the possibility of the hamster waking you up by running on its wheel or doing other activities during the night you should be fine. On the other hand if you are a light sleeper and need sleep you might not want to do this. Yes though, it is probably fine to let your hamster sleep in the same room as you.