Full Bed In A Bag

A waterbed or water mattress is a bed or mattress filled with water. more...

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Construction

Waterbeds primarily consist of two types, hard-sided beds and soft-sided beds.

A hard-sided waterbed consists of a water-containing mattress inside a rectangular frame of wood resting on a plywood deck that sits on a platform. Platforms may incorporate drawer systems for storage. Frames may be decorative, with elaborate headboards or tall posts.

A soft-sided waterbed consists of a water-containing mattress inside of a rectangular frame of sturdy foam, zippered inside of a fabric casing, which sits on a platform. The effect is to look like a conventional bed and is designed to fit into existing bedroom furniture. The platform usually looks like a conventional foundation or box spring, and sits atop a much-stronger-than-normal metal frame.

Early waterbed mattresses and many inexpensive modern mattresses have only one water chamber. These mattresses are commonly described in the industry as "free flow" mattresses. When the water mass was disturbed, significant wave-action could be felt. They needed some time to stabilize after a disturbance. Later types employed wave-reducing methods, including fiber batting and interconnected water chambers. More expensive "waveless" modern waterbeds have a mixture of air and water chambers, usually interconnected.

Water beds are normally heated. Temperature is controlled via a thermostat and set to personal preference, but is most commonly average skin temperature, 30 °C (86 °F). A typical heating pad consumes 150–400 watts of power. Depending on insulation, bedding, temperature, use and other things, electricity usage may vary significantly.

Waterbeds are usually constructed from vinyl or similar material. They can be repaired with nearly any vinyl repair kit.

History

In 1871 a waterbed was in use in Elmira, NY for "invalids". It was briefly mentioned by Mark Twain in his article "A New Beecher Church" which was published in The New York Times on 1871-07-23. There Twain said that: "In the infirmary will be kept one or two water-beds (for invalids whose pains will not allow them to be on a less yielding substance) and half a dozen reclining invalid-chairs on wheels. The water-beds and invalid-chairs at present belonging to the church are always in demand, and never out of service." This article does not contain enough information to determine the form of the beds involved.

Dr. William Hooper of Portsmouth, England, patented a waterbed in 1883. He devised it to relieve bed sore pains in his patients. Unable to contain the water and control its temperature, his invention was a market failure.

Read more at Wikipedia.org