Second wind.
Second wind.
Second wind" is an idiom used to describe the unexpected return of strength or energy after feeling tired or near the point of exhaustion. Commonly related to physical activities, it can also apply to any prolonged effort, such as late hours working on a project when a burst of productivity appears. It speaks to the body's surprising ability to recover and push through barriers when motivated.
I caught my second wind after a short break.
I felt rejuvenated after a short rest.
He got his second wind at mile five of the run.
He felt reinvigorated at the fifth mile of his run.
After an hour of studying, she found her second wind and finished the project.
After studying for an hour, she felt renewed energy and completed the project.