11,000 people wore light sensors for a week. Three years later, researchers scanned their hearts

Preview text: Cardiac MRI scans revealed what the light in your bedroom may be doing while you sleep.

Thursday, Oct 1, 2026 at 8:12 AM EasternActiveCampaign

Goodness Lover11,000 people wore light sensors for a week. Three years later, researchers scanned their hearts

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Subject: 11,000 people wore light sensors for a week. Three years later, researchers scanned their hearts
Preview text: Cardiac MRI scans revealed what the light in your bedroom may be doing while you sleep.
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Sent: Thu Oct 1, 2026, 8:12 AM ET
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From: Sarah Otto <[email protected]>
Subject: 11,000 people wore light sensors for a week. Three years later, researchers scanned their hearts
Date: Thu, 1 Oct 2026 12:12:48 +0000 (GMT)
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