---
title: "Glass Delusion: Why Some People Think They are Made of Glass..."
description: "Explore the bizarre history of glass delusion, a medieval mental illness where sufferers believed their bodies were made of fragile glass. From King Charles VI to Princess Alexandra of Bavaria, discover why this fascinating disorder captivated European aristocracy."
url: https://decodingtheunknown.pub/article/glass-delusion-why-some-people-think-they-are-made-of-glass.md
canonical: https://decodingtheunknown.pub/article/glass-delusion-why-some-people-think-they-are-made-of-glass
datePublished: 2026-06-28
dateModified: 2026-06-28
author:
  - name: Simon Whistler
    url: https://decodingtheunknown.pub/author/simon-whistler
publisher: Decoding the Unknown
image: "https://media.decodingtheunknown.pub/cdn-cgi/image/width=1600,height=900,fit=cover,quality=80,format=auto/articles/gXVpGTcK-9c/hero.jpg"
type: Article
contentHash: 501719a74bd50fddc39629ab71e9aa5bb255f8bff3ede953a2dfb3c8f0189f4d
tokens: 67
summaryUrl: https://decodingtheunknown.pub/article/glass-delusion-why-some-people-think-they-are-made-of-glass.md.summary.md
---

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Explore the bizarre history of glass delusion, a medieval mental illness where sufferers believed their bodies were made of fragile glass. From King Charles VI to Princess Alexandra of Bavaria, discover why this fascinating disorder captivated European aristocracy.
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