Autocannibalism induced by obstructive sleep apnea

A 55-year-old tetraplegic male was referred to the sleep center with symptoms of obstructive sleep apnea (OSA). He also had an unusual history of biting his fingers off, reportedly in his sleep. Polysomnography confirmed severe obstructive sleep apnea and video analysis showed that apneic arousals induced these finger biting episodes. The patient was successfully treated with continuous positive airway pressure therapy and is no longer damaging his remaining digits during sleep.

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