【single Choice Question】Which sleep stage does the phenomenon such as balderdash, sleepwalking and bed wetting usually occur in?
A、thefirststageofnonREMsleep;
B、thesecondstageofnonREMsleep;
C、thethirdstageofnonREMsleep;
D、thefourthstageofnonREMsleep
发布时间：2025-08-24 16:02:15
