睡眠 すいみん 遊行 ゆぎょう しょうでしょう
sui minjiyugyō shōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 睡眠時遊行症

1. Probably sleepwalking.

Polite
Presumptive
Conjecture
Medicine