# A sleep mistake you’re probably making could increase heart disease risk

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-11 22:29 UTC · Category: Health · Sources: 5 · Current Velocity: 2.8

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| WCVB | Study finds light exposure during sleep may affect heart health | 2026-09-11 17:50 | [Source Link](https://news.google.com/rss/articles/CBMigwFBVV95cUxOOHZ1UkdjS1VVV3NRYXpnNUpwcnZneFRiV0ZtTnVwZTFobjVXYk5rXzRBd1FvOWhYSVlYOXhYSllacl81TUxVbzBZaXdJbENWZ2dUdDlLZUx5ZVRIZjdQWlpkVmFkUGR3TE5LcG5taWdzNG1GRnJwQjJnelR2R3hUN3FsZw?oc=5) |
| Fast Company | This common sleep habit could be changing the shape of your heart—for the worse | 2026-09-11 17:50 | [Source Link](https://news.google.com/rss/articles/CBMiygFBVV95cUxPSDE1N1k2Nm9KX2tmSWIwUE9vbXNZR1RzVG43QkJ0elBpUm9xd05IRW1lMDhhMm1ISU45YkhBTTlJWGlfSkFoTENGTXJITFJKZnJweHhfS0hzdVdFOENlNHhieE55U01sd0llTDROUmFmY3ZCeWFTdjlDck5OcDZYMjhQbVlVcF9kVW1NRXhITE91SGs4bFR1MzFuLUFYa242T2YxTmRxWXBzUWRQRU8xcGJ5WTB1aUstcDVHNlQzdmlRTGFwdkRFOWdR?oc=5) |
| Euronews.com | The darker your bedroom, the better for your heart | 2026-09-11 17:50 | [Source Link](https://news.google.com/rss/articles/CBMirwFBVV95cUxNXzMtU0ZuMUdpR2ZGQURhSnVhcndjYW94dmRCcTNyWGJDUWVCVVF1QzJaQThQeDBaZnVXOFBJLUtZX2E1OF9oQ2habFU2aFB4V25GOW1mZXdJczhJekFBOXluS0NKcng5OElDblRKY29rWUxEQ3pyd1pZNy1WU2wzZ3F5cWZNU2tOcFNlVFhqMDBnSlpOQ0dSQWlIcnp6Wkk3Wm9uVmRqdFJudU14ckVz?oc=5) |
| Science Daily | Too much light at night may quietly reshape your heart | 2026-09-11 17:50 | [Source Link](https://news.google.com/rss/articles/CBMib0FVX3lxTE5KeEZhRzRWVEdvWS1na3dYVlNDNXd6d2tvQ3oxc05OYVdFTmx1RGU0d2NlaEp6LTJPTTNrZ1NSS0ZqVVZnVzNvaEdQM1VVNWtBOWVaOThjWlVGSlVBLWhvSkZyZE1KQkRtUmZDODlUWQ?oc=5) |
| Time Magazine | Nighttime Light Exposure Is Linked to Heart Changes | 2026-09-11 17:50 | [Source Link](https://news.google.com/rss/articles/CBMikAFBVV95cUxNREQ0VUJXcFhEOUNIOHk1VGV3OUJCMExPWHhOWHJPYURhMVBpYzFHbUJ0aVdoTW5WTm9vNzIxTC1Kdll5V1MwdURGbVZ5NV92Z2M5d1Q0RGEzNjh0NnFOUk9ZSTdwTHBSZW55d2psek50c2UxTXppV2V3aVFzM1lJOHJaNDI5UWtnRnV4WnJDT3k?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-11/a-sleep-mistake-you-re-probably-making-could-increase-heart-disease-risk*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*