Regular, moderate exercise is better than occasional bursts. Exercise is healthy - to a degree, Regular physical activity is better than occasional all-out workouts.
A lot of people go way overboard with exercise. In today's society, there are many people who push the envelope, that is who use and abuse exercise to reach even exceed limits. If we look at the recommended physical activity level its is intensive exercise thrice a week. But currently, 75% of the people cannot be persuaded to exercise. They are not interested. They consider physical activity as a strain and don't want to do it. The physical activity recommendation currently is 5 times a week. for 30 minutes. This activity is not to be understood as formal exercising but it can be cycling to work, gardening or performing stretches at office.
Listen to your body and take occasional breaks.