VIDEO
what happens when we sleep?
BEFORE YOU WATCH
READ - ALL ABOUT SLEEP
Sleep is one of the most important activities for our bodies and minds. During sleep, the brain processes information from the day, stores memories, and removes waste that builds up while we are awake. Our muscles and organs also repair themselves, and hormones are released that help with growth and balance. Scientists have discovered that sleep happens in cycles, which include deep sleep and REM sleep, the stage where we dream. Not getting enough sleep can affect our mood, concentration, and even our immune system. Although people often try to reduce their sleeping time to work more, quality sleep is essential for a healthy and productive life.
BEFORE YOU WATCH
QUESTIONS
Sleep is one of the most important activities for our bodies and minds. During sleep, the brain processes information from the day, stores memories, and removes waste that builds up while we are awake. Our muscles and organs also repair themselves, and hormones are released that help with growth and balance. Scientists have discovered that sleep happens in cycles, which include deep sleep and REM sleep, the stage where we dream. Not getting enough sleep can affect our mood, concentration, and even our immune system. Although people often try to reduce their sleeping time to work more, quality sleep is essential for a healthy and productive life.
1. What are two things the brain does while we sleep? 2. What happens to our muscles and organs during sleep? 3. Which stage of sleep is linked to dreaming? 4. How can a lack of sleep affect a person’s daily life? 5. Why do some people try to reduce their sleeping time? 6. Which system in the body can become weaker without enough sleep? 7. Why is sleep described as “essential” in the paragraph?
BEFORE YOU WATCH
WORDS TO KNOW
unconsciousness
paralysis
drift off
melatonin
(phrasal verb) To fall asleep slowly or gradually.
(noun) To not be awake or aware.
(noun) A hormone that helps with sleep.
(noun) When you cannot move part or all of your body.
BEFORE YOU WATCH
WORDS TO KNOW
transition
render
proliferation
shut eye
(verb) To cause something to be in a certain state or situation.
(noun) A fast increase or spread of something.
(noun) A change from one state or situation to another.
(noun - informal) Sleep, especially a short rest.
BEFORE YOU WATCH
Match
render
melatonin
paralysis
drift off
shut eye
transition
proliferation
unconsciousness
WATCH
video - what happens when we sleep?
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
COMPREHENSION QUESTIONS
The growth hormone is released during deep sleep stages (3&4).
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
WRITE - FILL IN THE BLANKS
Word bank:
spend
renders
active
senses
releases
regulated
cycle
reduced
paralysis
paralysis
- When we sleep, we enter into a state of unconsciousness and .
- Sleep is by our circadian rhythm.
- The body stops producing melatonin when it light.
- During a good night's sleep, a person will through the 4 sleep stages four or five times.
- Our body a chemical which paralysis, so we don't act out our dreams.
- Our brain is extremely during Stage 4.
- An average human will 25-30 years sleeping.
- Life expectancy could be by a lack of sleep.
regulated
senses
cycle
renders
releases
active
spend
reduced
AFTER YOU WATCH
closing questions
1. How many hours of sleep do you usually get each night? 2. Do you think you get enough sleep? Why or why not? 3. What helps you fall asleep more easily? 4. What usually keeps you awake at night? 5. Do you have any bedtime routines or habits? 6. How do you feel when you don’t sleep well? 7. How does your sleep schedule change on weekends or holidays? 8. Do you use your phone before bed? How does it affect your sleep? 9. Have you ever experienced sleep paralysis or insomnia? 10. Why do you think so many people today struggle to get enough sleep?
Well done!
What Happens When We Sleep? (B2+)
Kayla Willsher
Created on November 4, 2025
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Transcript
VIDEO
what happens when we sleep?
BEFORE YOU WATCH
READ - ALL ABOUT SLEEP
Sleep is one of the most important activities for our bodies and minds. During sleep, the brain processes information from the day, stores memories, and removes waste that builds up while we are awake. Our muscles and organs also repair themselves, and hormones are released that help with growth and balance. Scientists have discovered that sleep happens in cycles, which include deep sleep and REM sleep, the stage where we dream. Not getting enough sleep can affect our mood, concentration, and even our immune system. Although people often try to reduce their sleeping time to work more, quality sleep is essential for a healthy and productive life.
BEFORE YOU WATCH
QUESTIONS
Sleep is one of the most important activities for our bodies and minds. During sleep, the brain processes information from the day, stores memories, and removes waste that builds up while we are awake. Our muscles and organs also repair themselves, and hormones are released that help with growth and balance. Scientists have discovered that sleep happens in cycles, which include deep sleep and REM sleep, the stage where we dream. Not getting enough sleep can affect our mood, concentration, and even our immune system. Although people often try to reduce their sleeping time to work more, quality sleep is essential for a healthy and productive life.
1. What are two things the brain does while we sleep? 2. What happens to our muscles and organs during sleep? 3. Which stage of sleep is linked to dreaming? 4. How can a lack of sleep affect a person’s daily life? 5. Why do some people try to reduce their sleeping time? 6. Which system in the body can become weaker without enough sleep? 7. Why is sleep described as “essential” in the paragraph?
BEFORE YOU WATCH
WORDS TO KNOW
unconsciousness
paralysis
drift off
melatonin
(phrasal verb) To fall asleep slowly or gradually.
(noun) To not be awake or aware.
(noun) A hormone that helps with sleep.
(noun) When you cannot move part or all of your body.
BEFORE YOU WATCH
WORDS TO KNOW
transition
render
proliferation
shut eye
(verb) To cause something to be in a certain state or situation.
(noun) A fast increase or spread of something.
(noun) A change from one state or situation to another.
(noun - informal) Sleep, especially a short rest.
BEFORE YOU WATCH
Match
render
melatonin
paralysis
drift off
shut eye
transition
proliferation
unconsciousness
WATCH
video - what happens when we sleep?
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
COMPREHENSION QUESTIONS
The growth hormone is released during deep sleep stages (3&4).
AFTER YOU WATCH
COMPREHENSION QUESTIONS
AFTER YOU WATCH
WRITE - FILL IN THE BLANKS
Word bank:
spend
renders
active
senses
releases
regulated
cycle
reduced
paralysis
paralysis
regulated
senses
cycle
renders
releases
active
spend
reduced
AFTER YOU WATCH
closing questions
1. How many hours of sleep do you usually get each night? 2. Do you think you get enough sleep? Why or why not? 3. What helps you fall asleep more easily? 4. What usually keeps you awake at night? 5. Do you have any bedtime routines or habits? 6. How do you feel when you don’t sleep well? 7. How does your sleep schedule change on weekends or holidays? 8. Do you use your phone before bed? How does it affect your sleep? 9. Have you ever experienced sleep paralysis or insomnia? 10. Why do you think so many people today struggle to get enough sleep?
Well done!