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Moonlight, phone screens and standby LEDs: Is your bedroom too bright?

A new study found that even as little light as from a phone screen at low brightness during sleep is linked to potentially harmful changes in the heart’s structure and function.

1 report1 sourceSep 11, 2026, 5:04 AM
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EuronewsSep 11, 2026, 5:04 AM

Moonlight, phone screens and standby LEDs: Is your bedroom too bright?

A new study found that even as little light as from a phone screen at low brightness during sleep is linked to potentially harmful changes in the heart’s structure and function.

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