Main Ideas
What is the main topic of the article " Screen Time at Bedtime" ?
How using phones or screens at night affects teenagers` sleep.
what harmone is affected by blue light?
Melatonin
What does devices mean in the article?
Electronic equipment like phones or tablets.
Blue light helps you fall asleep faster.
False.
Why might teens feel anxious in the morning after late-night phone use?
Poor sleep affects emotions and energy.
According to the article, what is the main message for teenagers?
Using devices before bed is not good for their health.
What have some phone manufacturers added to help with night-time screen use?
They may find it harder to concentrate and get good grades.
What does mood mean?
The way you feel.
True or False: Sleep problems can affect a teenager’s grades.
True.
Why does the article recommend reading a paper book instead of using a phone?
It helps the brain relax instead of being stimulated by screens.
Why do doctors say teens need more sleep?
Their bodies and brains are still developing.
What have some phone manafucturers added to help with night-time screen use?
A night-time setting that changes the color of the screen.
What does focus or concentrate mean?
To think only about what you are doing and nothing else.
True or False: Scientists already fully understand the effects of screen use at night.
False.
Why does blue light make falling asleep harder?
It confuses the brain and reduces melatonin.
What does the article mainly warn readers about?
The negative effects of blue light and bedtime screen use.
What is one teenagers may wake up during the night?
Poor-quality sleep caused by using devices before bed.
What does characteristic mean?
An important part or feature of something.
True or False: You should keep your phone in another room before sleeping.
True (based on the article’s advice).
What can we infer about teenagers who check social media before sleeping?
They may overthink posts/messages and stay awake longer.
What overall problem does the article try to raise awareness about?
Teachnology habits at night can harm sleep quality, mood, and next-day functioning.
According to the text, what effect does thinking about social media (e.g., likes or messages) have before sleep?
It keeps the brain active and makes falling asleep harder.
What does wondering mean in the article?
Thinking about something and not doing anything else.
True or False: Using devices before bed only affects sleep, not emotions.
False — it can affect mood too.
Why does the article advise not to use your phone as an alarm?
Because having the phone near the bed increases the chance of using it at night.