to (cause someone or something to) stop doing a particular activity or stop being active for a period of time in order to relax and get back your strength
The doctor told him that he should rest for a few days.
He looked away from the computer screen to rest his eyes.
She promised that she would not rest (= would not stop looking) until the murderer of her son was caught and imprisoned.
After a strenuous workout, it's important to rest and allow the body to recover.
The doctor advised the patient to rest for a few days to recover from illness.
Taking breaks during work hours helps employees rest and recharge.
The athlete decided to rest before the upcoming competition to avoid fatigue.