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Aim. The aim of this review is to determine the relationship between sleeping body posture and severity of obstructive sleep apnea. This relationship has been investigated in the past. However, the conclusions derived from some of these studies are conflicting with each other. This paper intends to summarize the reported relationships between sleep posture and various sleep indices in patients diagnosed with sleep apnea. Methods and Materials. A systematic review of the published English literature during a 25-year period from 1983 to 2008 was performed. Results. Published data concerning the sleep apnea severity and posture in adults are limited. Supine sleep posture is consistently associated with more severe obstructive sleep apnea indices in adults. However, relationship between sleep apnea severity indices and prone posture is inconsistent.

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Quadriplegia is a medical condition characterized by partial or complete paralysis of the four limbs and torso. Paraplegia is a variant of quadriplegia and is an impairment in motor or sensory function of the lower extremities. An automated wheelchair is a step taken with an intention to make a difference especially to the lives of these sections of people with restricted mobility. The different modes of control for the movement of the chair are made available in a modular form and can be incorporated by the user based on specific needs. Apart from the controls like joystick, chin control, voice activation, control through head movement, through calls made using a mobile, this chair can also be remotely controlled through the internet. Raspberry Pi is used as a master controller for both joystick as well as internet control. This paper specifically presents the details of control of the smart wheel chair through the internet using the technology of internet of things.