snooziness

Example:The fitness coach praised his alertness during the training session.

Definition:a state of being awake and alert; readiness to react to stimuli

Example:The babysitter’s vigilance ensured the child’s safety during the late-night walk.

Definition:state of being watchful and careful

Example:The morning run provided a boost of activity after a long period of inactivity.

Definition:the quality of being active, especially in a vigorous and energetic manner