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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.
In Australian and New Zealand English, bedding is often called manchester, [4] especially in shops. Manchester was a center of the cotton industry in the late 18th and the 19th century, and into the 20th century, and so cotton goods (principally sheets and towels) were given the name 'Manchester goods', which later was simplified to 'manchester'.
An adjustable bed is a bed which has a multi-hinged lying surface which can be profiled to a number of different positions. [1] Common adjustments include inclining the upper body and raising the lower body independently of each other.
Frequently, yachts have a bed in the extreme forward end of the hull (usually in a separate cabin called the forepeak). [1] Because of the shape of the hull, this bed is basically triangular, though most also have a triangular notch cut out of the middle of the aft end, splitting it partially into two separate beds and making it more of a V shape, hence the name.
Known as slow-wave sleep or stage 3 non-REM sleep, this is the deepest stage of sleep and the hardest to wake up from. Brain activity slows down, muscles and bones strengthen, hormones regulate ...
Besides for comfort, the pillow was also used for keeping bugs and insects out of people's hair, mouth, nose, and ears while sleeping. [ 13 ] Pillow use has been associated with the mummies and tombs of ancient Egypt during the 11th dynasty , dating to 2055–1985 B.C. [ 14 ] Ancient Egyptian pillows were wooden or stone headrests. [ 14 ]
The International Sleep Products Association was founded in 1915 and releases a report on U.S. mattress sales. Another association, Specialty Sleep Association, represents companies such as Innomax and Boyd Specialty focused on latex, waterbeds, and airbeds. However, Select Comfort, which produces airbeds (a specialty bed), is a member of the ISPA.
The first Tempur-Pedic mattress was introduced by Fagerdala World Foams, a Swedish technical foam firm. The brand was brought to the United States in 1992 and the company Tempur-Pedic, Inc. was founded. [3]