Youtube Exercise » English Grammar Homework

Sleep Is Your Superpower | Matt Walker | TED

TED

16.5M views 7 years ago

Warm-up Questions

What does the title “Sleep Is Your Superpower” suggest sleep can help you do?
How many hours of sleep do you think most adults need to feel healthy and focused?
What is one problem you personally notice when you don’t sleep well?

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Sleep Is Your Superpower | Matt Walker | TED

Sleep and the brain: learning, memory, and aging (00:00 – 08:29)

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1. According to the speaker, why do we need sleep after learning?

To “hit the save button” on new memories so we don’t forget
To avoid needing caffeine
To stop dreaming and rest the eyes
To increase physical strength for the next day

2. In the study, what happened to learning ability after an all-nighter?

It dropped by about 10 percent
It stayed the same for most people
It improved by about 20 percent
It dropped by about 40 percent

3. What does the speaker say “sleep spindles” help do?

Prevent the need for deep sleep
Create new brain cells instantly
Raise core body temperature to keep you asleep
Move memories into long-term storage and protect them

Sleep Is Your Superpower | Matt Walker | TED

Sleep and the body: heart health, immunity, cancer, and genes (08:29 – 14:09)

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1. What change happens after losing one hour of sleep in spring (daylight saving time)?

A 24-percent increase in heart attacks the following day
A 70-percent increase in heart attacks the following week
A 24-percent decrease in heart attacks the following day
No change in heart attacks, only in mood

2. After restricting sleep to four hours for one night, what happened to natural killer cell activity?

It dropped by 70 percent
It dropped by 10–20 percent
It stayed unchanged
It increased by 70 percent

3. How does the World Health Organization classify nighttime shift work (in this talk)?

As a harmless lifestyle choice
As a probable carcinogen
As a form of exercise
As a proven cure for insomnia

Sleep Is Your Superpower | Matt Walker | TED

Practical advice, main message, and Q&A (14:09 – 19:19)

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1. What does the speaker call the first piece of advice for better sleep?

Intensity
Regularity
Sleeping pills
Multitasking

2. What metaphor does the speaker use to explain why we can’t catch up on sleep?

Sleep is like a computer that never needs restarting
Sleep is like the bank—you can build up a debt and pay it off later
Sleep is not like the bank—you can’t accumulate a debt and pay it off later
Sleep is like a muscle you can train

3. What does the speaker recommend if you stay in bed awake for too long?

Get out of bed and do something in a different room, then return when sleepy
Keep lying there until you fall asleep
Drink coffee to reset your body
Exercise hard in the bedroom

Sleep Is Your Superpower | Matt Walker | TED

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1. What is the speaker’s overall argument about sleep?

Sleep only matters for children and older adults
Sleep quality doesn’t affect long-term health
Sleep is mostly optional if you eat well
Sleep is essential for both brain function and physical health

2. Which best summarizes the evidence style used in the talk?

Scientific studies and statistics to show cause-and-effect or strong links
Only advice, with no explanation
Mostly personal stories with no numbers
Fortune-telling and traditional sayings

3. Why does the speaker believe sleep problems are a public health issue?

Because sleep loss can harm health, safety, and education across society
Because technology has eliminated the need for sleep
Because people are sleeping too much worldwide
Because sleep only affects mood and productivity

Discussion Questions

Discuss the ideas from this video

Sleep Is Your Superpower | Matt Walker | TED

Which piece of evidence in the talk felt most convincing to you, and why?
The speaker says sleep is “not an optional lifestyle luxury.” Do you agree? What makes it difficult for people to treat sleep as nonnegotiable?
What changes (realistic for your life) could you make to improve regularity or bedroom temperature this week?
How should schools or workplaces respond if sleep loss strongly affects learning, safety, and health?