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Screens are great for learning and fun, but your eyes, body and sleep need balance. Use the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds. Switch screens off well before bed and charge your phone outside the bedroom, because bright screens and exciting games keep your brain awake. Agree on a gaming time with your family, keep meals screen-free and play outside every day.
✓ You passed this lesson’s test.
20-20-20 and lights out — “rest your eyes often and switch screens off before sleep”
Use it for: Homework on a laptop, online classes, gaming, videos and phones at night.
Check: Try it: for one week, switch screens off at a fixed time before bed and note how you sleep ✓
▶ Watch it animatedWork it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.
🏅 Sign in with Google to earn the ⏰ Screen Balancer badge when you pass — and a certificate when you finish all 8 lessons of Part 2 · Online behaviour. You can still take the test without signing in.
Why does it work? When should you use it? Ask in English, मराठी or हिंदी.
Sign in with Google to ask Free — 20 questions a day.
Prefer a real teacher? TalentJR teachers take live online classes anywhere in India and visit homes in selected cities. Tell us what you need and our team will call you with timings and fees.