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Weekly · Sunday Morning

Five longevity claims.
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Last Sunday

Rapamycin extends mouse lifespan 9–14%
NAD+ precursors reverse aging in humans
Blue-light glasses improve sleep quality
Walking 10 min after meals blunts glucose
Verdict change — caffeine half-life downgraded

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Why I Bought an iPhone 11 to Improve My Sleep — Whalespan

Content›Video›Why I Bought an iPhone 11 to…

Why I Bought an iPhone 11 to Improve My Sleep

Paul Saladino4m · 2025-08-07

Claims Made

13

Claims Supported

13

Support Rate

100%

Support rate

13 of 13 claims supported

13 supported0 partial / not

Claims from this content

10

✓Well SupportedBlue light from artificial sources signals daytime to the body, interfering with melatonin production and circadian rhythm.◐Partially SupportedFaster screen flicker is perceived as constant light and is easier on the eyes than slower flickering.✓Well SupportedAvoiding bright blue light exposure in the evening inhibits melatonin production.◐Partially SupportedCertain frequencies of screen flicker are disruptive and can affect the ability to fall asleep, even when blue light is removed.Partially Supported

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AV

A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

NP

N. Park

2d

Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

◐

Older iPhones, such as the iPhone 11, have a different pulse width distribution and flicker less than newer models.

◐Partially SupportedLight wavelengths other than blue, such as red light, are less harmful to the body.

◐Partially SupportedStrategies to mitigate harmful blue light include using incandescent bulbs, spending time outdoors, and wearing blue-blocking glasses at night.

◐Partially SupportedSome individuals are highly sensitive to flickering light.

◐Partially SupportedExcessive blue light exposure from screens may contribute to macular degeneration.

◐Partially SupportedFlickering light can induce seizures in susceptible individuals.