🧠 Why do you feel sleepy at certain times every day—even if you’re not tired? It’s because of your circadian rhythm, the powerful biological clock inside your brain!
In this insightful video, Dr. Prabhu, Neurologist from Erode, explains:
What is the circadian rhythm?
How your brain knows when it’s time to sleep or wake up
The role of the suprachiasmatic nucleus in controlling your body clock
Why melatonin hormone makes you sleepy at night
How sunlight in the morning “switches off” sleep signals
Why people feel extra sleepy between 3–5 AM and again in the afternoon
Dangers of sleepiness for drivers during early morning hours
Why thieves choose 3–5 AM for robberies!
How staying awake late or using mobile phones ruins your sleep
What is the homeostatic sleep process? (Process S)
Simple habits to improve sleep naturally
💡 Dr. Prabhu shares practical tips like avoiding screens 2 hours before bedtime to help your natural melatonin flow—and explains why even small night lights can disturb your sleep quality.
This video is perfect for anyone struggling with:
Sleeplessness
Night shifts
Daytime tiredness
Kids who stay awake late
⏱ Timestamps (~10 mins):
00:00 – Introduction by Dr. Prabhu
00:50 – Biological Clock & Circadian Rhythm Explained
02:20 – How Melatonin Makes You Sleepy
04:10 – Morning Sunlight & Sleep Switch Off
05:30 – Sleepiness Peaks (3–5 AM & Afternoon)
06:40 – Driving Danger During Early Morning Hours
07:30 – Homeostatic Sleep Process (Process S)
08:50 – Why Avoid Mobile & TV Before Bedtime
09:40 – Dr. Prabhu’s Final Advice
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⚠️ Medical Disclaimer:
This video is for educational purposes only and does not replace professional medical advice. Always consult a doctor if you have sleep or health concerns.
For Book An appointment Contact 96772 14441
Medical Disclaimer:
The content in this video is provided for general informational purposes only and is not intended as, nor should it be considered a substitute for, professional medical advice. Do not use the information on this channel for diagnosing or treating any medical or health condition. If you have or suspect you have a medical problem, promptly contact your professional healthcare provider.
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