Behavioural, autonomic and sleep disorders may follow traumatic brain injury. We report a patient in whom a stab lodged into the brain was associated to chronic headache, excessive daytime sleepiness and recurrent episodes of asymmetric excessive sweating and piloerection. A 26-year-old man received a stab in the forehead during an assault about which he was amnesic. Admitted to an emergency wait, he was however discharged with the stab still lodged in his head. One year later he come to our attention complaining of daily headache, tiredness and constant desire to sleep.
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