Was the world better off before the internet? A new survey has found that half of teenagers would like access to it blocked at night — and nearly as many wish that it did not exist.
Give us digital curfew say teenagers

Glossary
Instagram - A social-networking service that allows users to share photographs and videos.
Curfew - A rule stopping you from going out after a certain time.
Tim Berners-Lee - In 1990, the English computer scientist designed the first website and web browser. There are now over 1.8 billion websites.
Addiction - A health problem in which someone does not have control over what they are doing or substances they are taking, to the point that it is harmful.
Privacy - Being able to keep details about your life to yourself without everyone else knowing.