Eyes Open in Medicine / Internal Medicine — 4yo Child | Neurology | SMLE Q#1607
SMLE Question #1607
Medicine / Internal Medicine
Neurology
Last updated: February 2026
A 4-year-old boy has had nocturnal episodes for 2 months, occurring 2–3 times weekly. About 2 hours after falling asleep, he suddenly sits up with eyes open and rapid breathing, appears frightened, and is confused and difficult to console for 2–3 minutes; he may scream. He then lies back down and continues sleeping. In the morning, he has no memory of the events. What is the most likely diagnosis?
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