the light emitted by those devices is like a wake up call to the human brain. Specifically, the light prevents a hormone called melatonin from building up in the brain. It's this nightly production of melatonin that enables us to fall asleep.
Explanation:
the light emitted by those devices is like a wake up call to the human brain. Specifically, the light prevents a hormone called melatonin from building up in the brain. It's this nightly production of melatonin that enables us to fall asleep.
Depends upon the child, if he /she is a night owl or reads at night then keeping mobile should be allowed as internet access is necessary nowadays and that can be possible through wifi extraction from mobile to run PC or laptop 's internet .
It's not necessary that every student has broadband connection at home so mobile access should be allowed at night .
It won't be useful in the same way that knowing how a car works helps you fix it when it breaks down. It can help us understand how nature works and how its processes work. We learn about global warming and what we can do to try and prevent it. We learn about alternative energy sources and why it is all dangerous to forget about.
