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Why You Wake Up at 3 AM: Cortisol and Sleep Maintenance Insomnia
Featured•June 5, 2026

Why You Wake Up at 3 AM: Cortisol and Sleep Maintenance Insomnia

Learn why cortisol spikes and blood sugar crashes cause 3 AM wakeups. Discover how sleep maintenance insomnia affects heart health and how to reset your rest.

7 min read•aelívra Team
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aelívra is a structured AI-support engine using industry-standard scientific reasoning approaches and can make mistakes. It does not provide medical advice, diagnosis, or treatment. Our services facilitate self-guided exploration for discussion with your healthcare provider and are not a substitute for professional medical advice or your relationship with a qualified provider.