➤ Hypopnea
In hypopnea, the person does not totally stop breathing, but instead breathes improperly, leading him to get inadequate oxygen. A person with hypopnea usually snores while sleeping and feels tired even after having slept properly. Its causes include defects in the anatomy of the nasal or respiratory passages, obesity, diseases of the respiratory system, use of sedatives, alcohol abuse, smoking, and aging. Treatments are the same as in the case of apnea.