wakefulness
/ˈweɪkfəlnəs/
noun
- The state of being awake and alert; the condition of not sleeping.
- New parents often experience periods of wakefulness when their baby cries.
- His wakefulness during the night shift helped him catch the error before it became a problem.
- The medication can cause prolonged wakefulness and difficulty falling asleep.
- The quality of being watchful or vigilant; careful attention to one's surroundings.
- The security guard's wakefulness was praised after he spotted the suspicious package.
- A good driver maintains a constant wakefulness to road conditions and other vehicles.
- The soldier's wakefulness saved the camp from a surprise attack.