Psychological sleep disorders Quiz: Ace Your Exams
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A 15-year-old boy comes to the physician for evaluation of excessive sleepiness over the past 3 months. He is often sleepy during the day and has spontaneously fallen asleep in class. The symptoms occur nearly daily and have been negatively affecting his grades. He usually goes to bed at 10 PM and wakes up at 8 AM. Last week, during an upsetting conversation about his grades with his parents, the patient suddenly felt weak in the legs and collapsed onto the floor. He also describes “hearing whispering noises and seeing animals wandering in the room” as he is falling asleep. The patient does not drink alcohol or use recreational drugs. Vitals are within normal limits. Physical examination is noncontributory. Autoimmune destruction of which of the following regions of the hypothalamus is most likely responsible for this patient’s condition?
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