Quiz · How Phones Keep Us Awake at Night

Question 1What is the speaker mainly explaining in this talk?

How phones keep us awake and what we can change Why teenagers should never own a phone How to choose the best phone for studying Why melatonin pills help people sleep better

Question 2What does the blue light from screens do to the body?

It makes the eyes tired and sore It makes the body produce less melatonin It helps the brain relax before bed It increases the hormone for deep sleep

Question 3Where do some families now charge all their devices overnight?

Under the bed In the bathroom In the kitchen Beside the pillow