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If you play more than 4 hours a day, the cumulative damage to your back, wrists, and eyes adds up. Here are the four habits that protect you without hurting your performance.

1. Move every 60 minutes

Set a Pomodoro-style timer. Every hour, stand for 90 seconds. Walk to the kitchen, do 10 squats, stretch your wrists. This single habit cuts long-term back pain risk in half according to multiple ergonomics studies.

2. Get the chair height right

Feet flat on the floor. Knees at 90°. Forearms parallel to the floor when on the keyboard. Most chronic back pain in gamers comes from chair height that's been wrong for years. Spend 5 minutes adjusting properly — it pays back forever.

3. The 20-20-20 eye rule

Every 20 minutes, look at something 20 feet away for 20 seconds. This relaxes the ciliary muscle and prevents the focus-lock that causes eye strain and headaches.

4. Hydrate harder than you think you need

Brain function drops measurably after 2% dehydration. Most gamers are chronically at 3-5%. Keep a 1-liter bottle at the desk and refill it twice per session. You'll notice the difference in reaction time within a week.

The role of the chair

A good chair lets you maintain posture without thinking about it. Lumbar support, proper armrest height, and high-density foam (55 kg/m³+) reduce the muscle effort needed to stay upright — which is why a quality chair has real health ROI for anyone gaming 4+ hours daily.