What can you do yourself Live regular Avoid stress Get enough sleep Consume less alcohol Keep fit catch som sun Your body does a better job fighting off illness and healing wounds when it’s not under stress; Reduce Stress. Take time for meditation, yoga and breathing sessions. Improve your sleep habits. A healthy immune system can fight off infection. Regular bedtime and wake-up schedule. Avoid screens, devise your own sleeping rituals like bathing, relaxing, evening walks. Check your vitamin levels. Do you get enough vitamins out of your food and from the sun?