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Nocturnal groaning (catathrenia; from the Greek words kata = below, under; threnia = to lament) is a new sleep disorder included in the recent International Classification.1 Few cases have been reported, and there is no treatment currently available.2–6 We present a patient producing tremendous noises during sleep. She did not have any other remarkable disease. At admission to our hospital for a polysomnography, she was 62 years old. She reported that this phenomenon started many years ago. She was sent for the study because the noise was very disturbing to her family. Her neurologic and otorhinolaryngologic exams (including a full laryngoscopic exam) were normal. The patient did not express any subjective complaint except for a sporadic dry mouth in the morning. The subjective quality of her sleep was very good. The standard polysomnographic recording included EEG, electro-oculogram, oxygen saturation, airflow, respiratory band, electromyography in anterior tibialis, and EKG. For the recording of video and audio, we used a regular camera (we did not use a snoring sensor because we do not use it on a regular …
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Letters: Rapid online correspondence
- Continuous positive airway pressure as treatment for catathrenia (nocturnal groaning)
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