Originally Posted by HowlerKarma
THIS.

When my DD would get truly out of control, she was also sent "to sit on your bed" until she had regained control of herself. More often than not, she cried and sulked herself right into a NAP. Which was often exactly what she needed, though she would not have appreciated hearing so from anyone.

And THIS too. Extreme rudeness (NOT the everyday variety) in my 14-year-old is typically a sign of "needs to sleep." He's been this way for a long time.