become inattentive

“If once they become inattentive to the public affairs, you and I, and Congress, and Assemblies, judges and governors shall all become wolves,” President Thomas Jefferson said of the dangers of an uniformed electorate.

“I shouldn't have allowed myself to become inattentive.”

A Tesla’s Autopilot feature disengages after giving three visual and audio warnings, “when your Tesla vehicle has determined that you have removed your hands from the steering wheel and have become inattentive,” according to the safety score guide.

This could be a spouse who has become inattentive over time or adult children or friends who live at a distance and are rarely in touch.

Without enough oxygen, people become inattentive, show poor judgment and eventually stop breathing.