1. Take a walk: This is a simple exercise that doesn't require much physical strength and can help you relax and relieve stress.
2. Yoga: Yoga can help you relax your muscles, improve the flexibility of your body and enhance your physical strength. You can practice yoga at home or in the gym.
3. Swimming: Swimming is a low-impact aerobic exercise, which can exercise the whole body muscles and improve the cardiopulmonary function.
4. Cycling: Cycling is a low-impact aerobic exercise, which can exercise leg muscles and improve cardiopulmonary function.
5. Weight training: Although weight training may make you feel a little tired, it can help you strengthen your muscles and improve your body's metabolic rate. Try using dumbbells or fitness equipment for training.
Finally, I remind you that if you feel too tired, you'd better take a rest first and then exercise after your physical strength recovers. I wish you the best of health!