ScienceGrade 2nd· Why Do We Snore?

Why Do We Snore?

Snoring happens when air can't flow freely through the nose and throat during sleep

Learning Objective

Students will learn why some people snore and what happens in the throat during sleep.

What You'll Learn

  • Snoring happens when air can't flow freely through the nose and throat during sleep
  • When we sleep, the muscles in our throat relax
  • Relaxed muscles can make the airway narrower
  • Air pushing through a narrow airway makes the tissues vibrate
  • The vibration creates the snoring sound

Words to Know

Snore
A noisy sound during sleep
"Dad's snore sounds like a engine."
Airway
The path air takes to the lungs
"My airway got narrower when I slept."
Relax
To loosen up and get soft
"My throat muscles relaxed during sleep."
Vibrate
To shake back and forth fast
"The throat tissues vibrated and made sound."

Check What You Learned

Quick Quiz

1 / 5

Which of these is TRUE?

Fun Facts

  • Snoring occurs when air flow through the nose and throat is partially blocked during sleep

    Source: American Academy of Otolaryngology

  • During sleep, throat and tongue muscles relax, which can narrow the airway

    Source: National Heart, Lung, and Blood Institute

  • Narrowed airway causes soft tissues in the throat to vibrate as air passes through, producing the snoring sound

    Source: AAO-HNS

  • Snoring is more common with nasal congestion, sleeping on the back, alcohol, and excess throat tissue

    Source: NHLBI

  • Approximately 40% of adults snore at least occasionally

    Source: Sleep Foundation

  • Chronic loud snoring may indicate obstructive sleep apnea, a condition requiring medical evaluation

    Source: NHLBI

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Lesson Info

Grade 2nd
2026-08-01
Why Do We Snore?

Standards Alignment

  • 4-LS1-1

    Internal structures support survival, growth, behavior, and reproduction

Play the whole series

Episode 26 of gross body files

Keywords

2nd grade sciencescience for kidssnoreairwayrelaxvibrate4-LS1-1kids learningelementary education
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