#107 Why You Can't Sleep (and How to Fix It) | Dr. Michael Grandner - FoundMyFitness Recap

Podcast: FoundMyFitness

Published: 2025-10-02

Duration: 3 hr 45 min

Summary

In this episode, Dr. Michael Grandner, a sleep expert, discusses the complexities of sleep issues, particularly insomnia, and provides actionable strategies for improving sleep quality. The conversation highlights the importance of understanding the difference between clinical insomnia and common sleep disturbances, as well as evidence-based approaches to enhance sleep hygiene.

What Happened

The episode features a deep dive into the intricacies of sleep, led by Dr. Michael Grandner, who is both a researcher and a consultant for high-level athletes and organizations. Dr. Grandner emphasizes that sleep is a critical pillar of health and performance, and he distinguishes between insomnia as a clinical disorder and other sleep difficulties that many people experience. He explains that true insomnia is defined by persistent sleep issues that occur at least three nights a week and cause daytime functioning problems, contrasting it with occasional sleep disturbances which may not warrant a clinical diagnosis.

Dr. Grandner elaborates on the causes of insomnia, differentiating between chronic and acute forms. He notes that while acute insomnia can arise from various stressors, chronic insomnia is often rooted in conditioned arousal, where the initial cause becomes less relevant over time. This understanding is essential for effectively addressing and treating sleep issues. The discussion provides valuable insights into cognitive behavioral therapy for insomnia (CBTI) as a gold standard treatment and explores practical interventions such as stimulus control and sleep restriction methods to enhance sleep quality.

Key Insights

Key Questions Answered

What are the signs of clinical insomnia?

Dr. Grandner explains that clinical insomnia is characterized by persistent difficulty initiating or maintaining sleep, occurring at least three nights per week. It's not just about having trouble sleeping; it must cause significant daytime functioning problems. A good rule of thumb is that if it takes you more than 30 minutes to fall asleep or if you're awake for over 30 minutes during the night, that could be indicative of an insomnia disorder.

How does acute insomnia differ from chronic insomnia?

Acute insomnia can arise from a myriad of short-term stressors, while chronic insomnia is typically linked to a conditioned arousal that continues even after the initial triggers are gone. Dr. Grandner compares this to a ball rolling down a hill; once it starts moving due to various stressors, stopping it requires addressing the conditioned response rather than the original cause.

What is the role of Cognitive Behavioral Therapy for Insomnia (CBTI)?

CBTI is highlighted as the gold standard treatment for insomnia. It addresses the cognitive and behavioral aspects of sleep disturbances and helps individuals develop healthier sleep patterns. Dr. Grandner emphasizes its effectiveness in yielding significant improvements in sleep quality through structured interventions.

What practical strategies can improve sleep hygiene?

Dr. Grandner discusses advanced evidence-based practices for sleep hygiene, including temperature modulation and precise timing of light exposure. He also mentions actionable protocols like stimulus control and personalized sleep restriction methods that can directly enhance sleep quality and address disturbances effectively.

How do popular sleep supplements affect sleep?

The episode evaluates various sleep supplements such as melatonin, magnesium, and glycine, along with the impacts of THC, CBD, alcohol, caffeine, and late-night eating on sleep architecture. Dr. Grandner provides insights into how these substances can either aid or hinder sleep quality, depending on factors like dosage and timing.