Many professional athletes do not have to deal with the added stress of study or a full time job because sport is their job and so this allows more volume through physical activity.
Avoid stressing out so you can lead a healthy life and continue training.
There are many mental benefits from being in great shape and having physical skills this includes improved self-esteem and overall and happiness. Therefore sport and exercise lowers mental stress and combats depression.
Training recommendations for combating stress
For the average person I recommend an exercise routine whereby you are training 4 to 5x per week. If you are very busy you can maintain 3 workouts per week and when time allows pick it up again at a later date.
Because if you are struggling to maintain 3 workouts a week then the work load you are carrying is too much and detrimental to your health and well-being. But that is rarely the case… it is often because people are prioritizing the wrong activities in life.