Why should teachers sustain a healthy lifestyle (mental and physical health)

So they can teach better?

Explanation:

Teachers deserve a healthy lifestyle so they can be at their best performance for teaching.

a teachers mental and physical health effects the students they are teaching on a daily basis, if a teacher has bad physical or mental health it can put a halt in or make the teachers, teaching capabilities more difficult therefore if the teacher does not maintain a healthy lifestyle just as a student is expected it not only effects the teacher negatively but also affects the students learning capabilities.

Explanation:

literally didn't do any research it's just logic.

take a nice, long walk. walk, feel the wind through your hair and your it is very relaxing.