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While Tempur beds have been shown to reduce tossing and turning by up to 83 per cent, not even they can cure the curse of the yawn.
Far from simply symbolising tiredness, the yawn has proven a bit of a medical mystery, baffling scientists for years and prompting several theories of ranging credibility, according to pressconnects.com.
Ancient Greeks reportedly believed yawning represented evil entering the body, while medieval Europeans asserted that - like sneezing - yawning was a means for the soul to escape the body.
However, naturalist and father of evolutionary theory Charles Darwin argued that the practice - common among many animal species as well as humans - could be viewed as a social communication tool or merely "a piece of useless of physiology".
Several modern theories for yawning have been proposed, among them increasing oxygen flow to cool the brain, but this is problematic as the phenomenon is not associated with high-level exercise where greater oxygen levels are needed.
Classic Bed Company is the UK's premier bed store for ultimate comfort and luxury offering Tempur, Vi Spring, Willis and Gambier and French Sleigh beds.
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