I WONDER - Can We Hear When We Are Asleep?

The video explains how our ears are constantly listening, even during sleep. The brain selectively ignores sounds to allow us to sleep unless it perceives a threat, such as a fire alarm, which prompts us to wake up.

Why are our ears constantly listening, even when we are asleep?

• To keep us awake

• To help us dream

• To detect any potential danger

• To ensure we can hear our alarm clock

What does the brain do to help us sleep?

• It amplifies all sounds

• It ignores all sounds

• It selectively ignores sounds

• It makes us deaf

Under what condition does the brain decide not to ignore sounds?

• When the sound indicates danger

• When the sound is loud

• When the sound is familiar

• When the sound is soothing

What is an example of a sound that the brain will not ignore during sleep?

• A fire alarm

• A whisper

• A gentle breeze

• A ticking clock

How does the brain's response to sound help us in emergencies?

• It makes us sleep deeper

• It wakes us up to respond

• It calms us down

• It makes us ignore the sound