irest

Example:The intense workout brought him to a peak of alertness, making him more focused and energetic.

Definition:A state of being fully awake, awake, and responsive to one's surroundings.

Example:After a long period of rest, he regained his vigour and decided to go for a run to get some fresh air and energy.

Definition:A state of being lively and energetic, often in contrast to a state of rest or drowsiness.