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It is possible for net exports to be a negative value.
Sleep-Related Hypoventilation
Episodes of decreased breathing associated with high carbon dioxide levels.
Obstructive Sleep Apnea/Hypopnea Syndrome
A sleep disorder characterized by repeated episodes of partial or complete obstruction of the upper airway during sleep, leading to breathing interruptions and reduced oxygen levels.
Central Sleep Apnea
Sleep disorder characterized by complete cessation of respiratory activity for brief periods of time (20 seconds or more); sufferers do not have frequent awakenings and do not tend to feel tired during the day; occurs when the brain does not send the signal to breathe to the respiratory system.
Respiratory System
The biological system consisting of specific organs and structures used for gas exchange in animals and plants.
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