What causes insomnia? - Dan Kwartler

Can you be awake and asleep at the same time? - Masako Tamaki

Why Do We Twitch Before Falling Asleep?

What Are Hypnic Jerks + Why Do They Happen? | Dr. Ian Smith

JOLT or JERK awake when falling asleep? TRY THIS!

Being awake while sleeping, being asleep while awake by Thomas Andrillon

Sleep Paralysis: Do You Ever Wake Up And Can't Move?

How to deal with your insomnia — and finally get to sleep | Sleeping with Science

What would happen if you didn’t sleep? - Claudia Aguirre

Sleep Apnea, Causes,Signs and Symptoms, DIagnosis and Treatment.

What Happens When A Night Owl Wakes Up Early

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What Causes Sleep Paralysis? | Importance of Sleeping Enough | The Dr Binocs Show | Peekaboo Kidz

Why Do Body Parts “Fall Asleep”? | COLOSSAL QUESTIONS

Why Do We Sleep? The Dr. Binocs Show | Best Learning Videos For Kids | Peekaboo Kidz

What Happens To Your Brain When You Get Blackout Drunk | The Human Body

A walk through the stages of sleep | Sleeping with Science, a TED series

I Always Wake Up Tired - What Can I Do? | This Morning

Being awake while sleeping, being asleep while awake - Dr Thomas Andrillon

If You Always Wake Up Between 3 - 5AM, Here's Why