sleep talk …
眠っている人が小声で寝言を言うことはある。
People sometimes talk in their sleep in a low voice.
私は君が昨夜寝言を言っていたのを聞いた。
I heard you talking in your sleep last night.
僕は頻繁に寝言を言う。
I frequently talk in my sleep.
よく寝言を言います。
I often talk in my sleep.
あなたゆうべ寝言を言っていたわよ。
You were talking in your sleep last night.