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An air mattress as might be used for temporary guest accommodation. An air mattress is an inflatable mattress or sleeping pad.. Due to its buoyancy, it is also often used as a water toy or flotation device, and in some countries, including the UK and South Africa, is called a lilo ("Li-lo" being a specific trademark — derived from the phrase "lie low") or a Readybed.
From basic inflatables to self-filling beds, these sleeping arrangements make camping much more comfortable.
The company manufactures the Sleep Number® bed, an adjustable air mattress.The "Sleep Number® setting" is a setting that adjusts the firmness or softness of the mattress on each side of the bed using air pressure (dual air chambers, one on each side), with higher numbers (up to 100) denoting higher pressure and more firmness, and lower numbers denoting less pressure and more softness.
Another factor is the weight of a waterbed. Waterbed mattresses, depending on the size, hold about 80–235 US gal (300–890 L) of water, which could bring the weight of the entire bed to over 2,000 lb (910 kg). This weight could pose a risk to the floor the bed is on.
This is motivated by reports of deaths, mostly infants younger than 8 months of age, who were placed to sleep on air mattresses, and either suffocated in a face down position on an air mattress or died due to suffocation after falling into gaps between the mattress and bed frame, or the mattress and adjacent furniture or wall. [28] Waterbeds
Bestway Group Limited is a British conglomerate founded by Sir Anwar Pervez in 1976. The group operates in the United Kingdom and Pakistan , and is currently based in London . The group originally began as Bestway Wholesale .
Positioning devices have been developed to aid in allowing people to stand and bear weight on their legs without risk of a fall. These standers are generally grouped into two categories based on the position of the occupant. [25] Prone standers distribute the body weight to the front of the individual and usually have a tray in front of them.
The Armstrong limit or Armstrong's line is a measure of altitude above which atmospheric pressure is sufficiently low that water boils at the normal temperature of the human body. Exposure to pressure below this limit results in a rapid loss of consciousness, followed by a series of changes to cardiovascular and neurological functions, and ...