People with catathrenia groan in their sleep. It’s a rare condition that’s classified as a sleep-related breathing disorder, similar to obstructive sleep apnea (OSA), though it isn’t usually as ...

Catathrenia often causes daytime fatigue and embarrassment from the groaning. Nocturnal groaning usually occurs during REM sleep, likely due to vocal cord vibrations. Sleeping with a white noise ...

“My husband tells me that I have been making really strange, scary sounds during the night. It doesn’t sound like snoring, but more like a groan or moan that wakes him up and then keeps him up. He ...