Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
The cause of CNH appears to be pressure between the head and the pillow at night. CNH occurs in people who sleep predominantly on one side. It can be precipitated by minor trauma, such as tight headgear or a telephone headset, or by exposure to cold. Reduction in the local blood supply of the ear by a chilblain or with aging prevents adequate healing.
