Answer: get more sleep to improve your immune system
Explanation: getting the proper sleep will help you do better on tests and make you feel happier so overall helps you feel and be much healthier.
The healthy state of the body is defined by fitness. Markus's doctor will most likely tell him to have a complete sleep to enhance his immune system to get healthy again.
The immune system is the part of the body's defense mechanism that fights diseases and microbes that weakens the body. The sleep cycle is also an important part of immunity.
If a person lacks complete sleep then they may suffer from restlessness and some cough-cold. Health may be regained by having complete sleep so it makes the person happy and healthy.
Therefore, the doctor will most likely advice having proper and complete sleep.
Learn more about the immune system here:
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