Insomnia and obstructive sleep apnea in women with breast cancer: Prevalence and associated factors in greater São Paulo
INTRODUCTION Insomnia and obstructive sleep apnea (OSA) are the most prevalent sleep disorders in adults, yet with distinct pathophysiology: insomnia involves central hyperarousal and cognitive-functional impairment, while OSA results from upper airway collapse with intermittent hypoxia and elevated sympathetic tone. I...