Write three examples of healthy behaviour. consider your own healthy behaviors as well as those you might imagine practicing in future.

The three examples for healthy behavior are as follows, eating healthy, physical exercise, getting proper sleep.

Explanation:

Healthy behavior is one related to the belief of a person and its action for his/her own well being. This is also linked with the healthy lifestyle. Eating healthy will keep us away from various diseases, well we should practice 5 meal a day habit, in future it will help us in maintaining balanced diet.  in the same way physical exercise is important so as to maintain the mental health, physical fitness is necessary remain active and healthy. Proper sleep can provide us good mental health, proper physical health and also gives us better quality of life. It is very necessary for proper functioning of the brain.  

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: