hyperactivity

US /ˌhaɪ.pɚ.ækˈtɪv.ə.t̬i/
UK /ˌhaɪ.pɚ.ækˈtɪv.ə.t̬i/
"hyperactivity" picture
1.

the condition of being abnormally active

:
The child was diagnosed with hyperactivity.
His constant fidgeting is a sign of his hyperactivity.