Dr. Nyree Penn, DHSc, CAAInventor | Founder | CEO, 🌙 NSOMNIA Sleep · ✨ NeuroRestorative Sleep Scientist | Anesthesiologist Assistant (CAA) | Founder & CEO 🌙 NSOMNIA Sleep Centers™ | Author | Speaker 🌟Redefining Sleep for NeuroRestorative Brain Health

New Episode Dropped 🚨🚨🚨 #shorts

3 Aug 2026 · 1 min

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0:37

High cortisol blocks melatonin production, making it harder to fall asleep and stay asleep. It triggers the 2 and 4-hour awakenings many people experience and fuels racing thoughts at bedtime, which can worsen stress and nightmares.

Chapters

When your cortisol is elevated, it directly interferes with when you go to sleep, your sleep onset, can you stay asleep because it affects melatonin, your sleep continuity, and then can you get into deep, stable sleep, that restorative sleep that we're always talking about? And those are key drivers. Cortisol is a key driver during those 2 and 4 awakenings that we're speaking about. And also cortisol plays a big role in racing thoughts. If you can't just suppress your issues and minimize your stress to go to bed at night, then you're gonna have those racing thoughts, which also is known to maybe potentially increase nightmares.

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