What did Naima and Masuk's parents notice about their children? (Knowledge)

Naima rubbed her eyes all the time, and Mashuk felt sleepy during the day. They both became tired and grumpy.

The tablet. itself is not bad because it can be used for learning and fun. The problem was lhow long they used it. Just like eating too much candy can make anyone sick, using a tablet för too long can make anyone tired and grumpy.