Asthma and Snoring Elevating the upper body benefits patients with Asthma. On a horizontal mattress it restricts air tubes and increases the difficulty of moving air to vital major organs. The FDA has said that Adjustable Beds aid in the treatment of a number of medical afflictions and illnesses. Snoring is not a problem, except for your partner. Normally adjusting the upper part of the bed to a higher position eliminates or reduces snoring.
Aristotle and Ptolemy. There are few instances of philosophers that have had such a deep influence as Aristotle, or of cosmologists whose theories have endured as long as Ptolemy's. Aristotle's influence is enormous ranging form the sciences to logic.
Guillaume Amontons (1663-1705) rediscovered the two basic laws of friction that had been discovered by Leonardo Da Vinci, and he also came up with an original set of theories. He believed that friction was predominately a result of the work done to lift one surface over the roughness of the other, or from the deforming or the wearing of the other surface.