hyperactivity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

All three have autism, and one has severe attention-deficit hyperactivity disorder.

From Los Angeles Times • Apr. 13, 2026

"In our situation, we assume that the shift in membrane composition is triggered by hyperactivity of the affected neurons due to Alzheimer's disease. That is, these neurons exhibit abnormal firing."

From Science Daily • Apr. 11, 2026

Additional research linked consumption to increased hyperactivity in children.

From Salon • Apr. 11, 2026

Darren said that by the age of six or seven, changes in Sophia's behaviour had become more noticeable, including hyperactivity and mood swings.

From BBC • Mar. 31, 2026

These so-called comorbidities—meaning the conditions co-occur with Internet addiction—include “attention-deficit hyperactivity, mood, anxiety and personality disorders.”

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel