Wakefulness

Pronunciation: /ˈweɪkˈɛfˈəɫˈnɛs/

Wakefulness (noun)

  1. The state of being awake and alert, not asleep.
  2. A person’s ability to stay attentive and think clearly while not sleeping.
  3. Careful attention kept over time, especially to notice danger or important changes.

Examples

  • Her wakefulness kept her from falling asleep.
  • Wakefulness can happen when the room is too bright.