Definitions

1. noun

A type of sleep or somnambulism in which a person is awake but unable to move or speak.

“The patient’s hypopiesis during the procedure made it difficult for the doctors to communicate with her.”

2. noun

A state of being partially awake or in a trance-like state, often accompanied by hallucinations.

“The patient’s hypopiesis was a result of the medication she was taking for her mental health condition.”