Students maintain a health diary for at least a month to track food, hygiene, exercise, sleep, screen time, and emotional state.
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- Note each day what you ate, how much you exercised, and how long you slept.
- Record your screen time and how you felt (happy, tired, or stressed).
- After a month, look for patterns — like poor sleep on high-screen days.
- Use what you learn to build healthier daily habits.