Why You Wake Up at 3AM (Tired but Wired?) | Sleep Doctor Explains

Описание: Have you ever woken up at 3:00 AM with your brain suddenly racing — thinking about work, responsibilities, or everything you need to handle the next day?

For many high-responsibility professionals, these middle-of-the-night awakenings can feel frustrating and exhausting. But they aren’t always caused by poor sleep habits or “overthinking.”

Often, there are real physiological reasons your brain wakes up around this time.

In this video, sleep physician Dr. Guzman explains the four most common biological reasons people wake up between 3–4 AM, including:

• Sleep-disordered breathing (including sleep apnea)
• Your circadian rhythm and biological clock
• REM sleep and normal sleep architecture
• Hyperarousal of the nervous system from chronic stress

Understanding why these awakenings happen can help you approach your sleep with more awareness, identify possible underlying causes, and explore effective treatment options.

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About Dr. Guzman

Dr. Guzman is triple board-certified in Internal Medicine, Sleep Medicine, and Obesity Medicine, with additional training in Mind-Body Medicine.
Her work focuses on helping people improve sleep, reduce chronic stress, and support metabolic health through both medical care and lifestyle medicine.

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This video is for educational purposes only and is not intended to provide medical advice, diagnosis, or treatment, nor to replace individualized care from your personal healthcare professional.

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