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Positive airway pressure ( PAP) is a mode of respiratory ventilation used in the treatment of sleep apnea. PAP ventilation is also commonly used for those who are critically ill in hospital with respiratory failure, in newborn infants ( neonates ), and for the prevention and treatment of atelectasis in patients with difficulty taking deep breaths.
Sleep apnea is a sleep-related breathing disorder in which repetitive pauses in breathing, periods of shallow breathing, or collapse of the upper airway during sleep results in poor ventilation and sleep disruption. [10] [11] Each pause in breathing can last for a few seconds to a few minutes and occurs many times a night. [1] .
Central sleep apnea ( CSA) or central sleep apnea syndrome ( CSAS) is a sleep -related disorder in which the effort to breathe is diminished or absent, typically for 10 to 30 seconds either intermittently or in cycles, and is usually associated with a reduction in blood oxygen saturation.
The Northrop B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses.
The Russian Sleep Experiment is a creepypasta which tells the tale of 5 test subjects being exposed to an experimental sleep -inhibiting stimulant in a Soviet-era scientific experiment, and has become the basis of an urban legend. [1] .
The Lockheed Martin F-35 Lightning II is an American family of single-seat, single-engine, stealth multirole combat aircraft designed for air superiority and strike missions; it also has electronic warfare and intelligence, surveillance, and reconnaissance capabilities.
The Lockheed Martin/Boeing F-22 Raptor is an American twin-engine all-weather stealth fighter aircraft developed and produced for the United States Air Force (USAF).
