The Weekend University Sleepwalking, Insomnia, Circadian Rhythms: The Incredible Science of Sleep — Dr. Guy Leschziner
Oct 16, 2025
Dr. Guy Leschziner, a leading neurologist and sleep specialist, dives into the science of sleep, revealing its vital roles in health and well-being. He discusses how studying extreme sleep behaviors, like sleepwalking, sheds light on normal brain functions. Leschziner explains the glymphatic system's detoxification during deep sleep and highlights insomnia’s intricate relationship with mental health. With practical sleep hygiene tips and insights on modern sleep challenges, he provides hope and strategies for better sleep.
AI Snips
Chapters
Books
Transcript
Episode notes
Practical First Principles For Better Sleep
- Follow sleep hygiene: avoid late caffeine, nicotine, alcohol and heavy late meals; keep bedroom dark, quiet and temperate.
- Exercise regularly, keep bedtimes and wake times consistent, and avoid long daytime naps.
Rebuild Bed Association With Sleep Restriction
- Intensive sleep training deprives patients then gives repeated short opportunities to sleep to rebuild positive bed association.
- The method forces rapid conditioning by creating strong sleep pressure and many tries to fall asleep.
Use CBT‑I To Treat Chronic Insomnia
- Use CBT-I which compresses time in bed to increase sleep efficiency and then gradually extends it.
- CBT-I combines relaxation and sleep restriction to break negative bed associations and works for most people.
