Explore the intricacies of sleep disorders and their treatments in this comprehensive video lecture. Delve into sleep physiology, including REM and non-REM stages, and understand the nuances of deep sleep. Learn about the effects of benzodiazepines and alcohol on sleep patterns, as well as how sleep changes in elderly individuals and those with depression. Gain valuable insights into managing insomnia, with detailed explanations of treatments for both acute and chronic cases, including sleep hygiene techniques and medication options. Examine various parasomnias such as nightmares, night terrors, sleep talking, and REM sleep behavior disorder. Enhance your knowledge of sleep-related topics crucial for medical exams like USMLE and NEET.