Final answer:
Obstructive Sleep Apnea (OSA) is characterized by repetitive pauses in breathing during sleep, resulting in disturbed sleep patterns. Common signs and symptoms of OSA include loud snoring, restless sleep, daytime sleepiness, fatigue, and morning headaches.
Step-by-step explanation:
Obstructive Sleep Apnea (OSA) is a sleep disorder characterized by repetitive pauses in breathing during sleep, resulting in disturbed sleep patterns. Common signs and symptoms of OSA include loud snoring, restless sleep, daytime sleepiness, fatigue, and morning headaches. These symptoms are caused by the obstruction of the airway during sleep, which leads to a decrease in oxygen levels and disrupted sleep cycles.