Definitions

1. noun

the act or habit of talking in one’s sleep, or the act of speaking while asleep

“She had never experienced somniloquy before, but last night was a first for her.”

2. noun

sleep talking

“The doctor asked about her sleep patterns, including any episodes of somniloquy.”

3. noun

a person who talks in their sleep

“After hearing the strange voice in the night, she was shocked to discover she was a somniloquy sufferer.”