Because they are comfortable.
by people
Yes, people can make twin water beds, which are designed to accommodate two separate sleeping areas, typically for individual sleepers. These beds consist of two individual water-filled mattresses, each contained within its own frame. Twin water beds offer the benefits of waterbed comfort while providing the option for different firmness levels or sleeping preferences. They are less common than traditional water beds but can be customized to meet specific needs.
people have beds because so they can get rest
Yes, there are still water beds in the world. They are not as popular as they once were.
Water beds are not safe for infants or young children to sleep in. Children and infants can die sleeping on water beds. They can get smothered and suffocate.
Salt beds. The water is allowed to evaporate from the beds leaving the salt.
Yes, people generally sleep peacefully in their beds at night.
This question is very subjective, as it depends on one's personal preferences for both how they like to sleep, and what they like to do for entertainment. Water beds are generally considered to not be stable enough for people with back problems, so perhaps more people would choose video games.
no
it has 389 hospital beds per 100, 000 people
no
Sure.