What Happens to Your Brain When You Don’t Sleep? | Sleep Science by Dr. Sweta Adatia

Sleep is not just a time to rest — it’s a deeply active process that cleans, heals, and resets your brain every single night. In this episode, Dr. Sweta Adatia, Neurologist and Director of Limitless Brain Lab, reveals five shocking and science-backed facts about sleep that can protect you from Alzheimer’s, dementia, and chronic lifestyle diseases.
Discover how the brain’s glymphatic system works like a vacuum cleaner during early-night sleep, why Yoga Nidra can mimic hours of deep rest, and how your sleep position can directly influence your brain’s detox process. Whether you struggle with insomnia, late-night scrolling, or constant fatigue — this video will completely change how you understand sleep.

⏱️ Timestamps

0:00 – Introduction
1:03 – 5 Shocking Facts About Sleep You Must Know
1:19 – Sleep & Alzheimer’s Connection (Real Case at 49!)
2:13 – The Glymphatic System: Brain’s Night-Time Cleaning Process
2:46 – Sleep Latency: Why You Can’t Fall Asleep Easily
3:19 – The Hidden Dangers of Sleep Pills & Melatonin Overuse
3:58 – Sleep & Immunity: The Flu Shot Experiment
4:57 – How Sleep Loss Deletes Thousands of Genes Overnight
5:20 – Ideal Sleep Duration + Power of Yoga Nidra
6:32 – Best Sleeping Position for Brain & Body Health
7:32 – Sleep is an Active Healing Process
7:55 – Mouth Breathing & Oxygen Deficiency During Sleep
8:27 – Signs You’re Not Sleeping Well (Grogginess, Fatigue, Weight Gain)
8:55 – Sleep Polysomnography: The Test That Reveals Sleep Disorders
9:00 – Key Sleep Tips Recap: 5 Rules for Healthy Sleep


🌙 What You’ll Learn

The connection between poor sleep and Alzheimer’s disease
Why sleeping between 10 PM and 1 AM is crucial for brain detox
How the glymphatic system cleanses your brain while you sleep
The dangers of overusing melatonin and sleep pills
How Yoga Nidra can replace up to 6 hours of deep sleep
The best sleeping position for brain and body health
How mouth breathing affects oxygen, metabolism, and memory
Why there’s no such thing as “sleep banking” — every night counts
Simple lifestyle changes to optimize sleep and boost brain longevity




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👩‍⚕️ About Dr. Sweta Adatia:

Dr. Sweta Adatia is a dynamic neurologist at Gargash Hospital in Dubai, UAE. With over 13 awards in Medicine and Neurology, she is a stroke fellow from the University of Calgary and an MBA graduate from the University of Cambridge. She has collaborated with Defeat NCD UN and has over 50 publications, impacting 50,000+ lives. Specializing in strokes and migraines, she empathizes deeply with her patients.


📚 Additional Resources:

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www.limitlessbrainacademy.com

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