Definition of hyperactivity
- Canada geese are disarmingly expressive. … They disdain the frantic hyperactivity of smaller birds.
- —Benjamin B. Bachman
- She had developed delusions of invincibility, along with bouts of hyperactivity and severe insomnia.
- —Per Ola and Emily D'Aulaire
- An estimated 1 in 50 school-age children in the United States, receive stimulant medication to help quell inattentiveness and hyperactivity.
- —Christine Mlot