Catathrenia

Catathrenia

Catathrenia is expiratory groaning during sleep, especially its later stages. Although sufferers are unaware of the condition, it does alarm relatives and bed partners. There are no associated neurological abnormalities, and no identified neurological or otorhinolaryngological cause. Catathrenia is a type of parasomnia.

References

Vetrugno R, Provini F, Plazzi G, Vignatelli L, Lugaresi E, Montagna
P. Catathrenia (nocturnal groaning): a new type of parasomnia.
Neurology 2001; 56: 681-683