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Weekly · Sunday Morning

Five longevity claims.
Worth your time.
Every Sunday.

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

5 audits·1 verdict change·0 affiliate links·Every Sunday

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body like when sleep — Whalespan

Content›Video›body like when sleep…

body like when sleep

Bryan Johnson1m · 2026-05-11

Claims Made

9

Claims Supported

8

Support Rate

89%

Support rate

8 of 9 claims supported

8 supported1 partial / not

Claims from this content

9

✓Well SupportedMaintaining a consistent bedtime within a 30-minute window daily promotes powerful sleep performance.◐Partially SupportedA consistent bedtime ritual, including finishing the last meal at least 4 hours before bed, is essential for sleep.◐Partially SupportedA slow heart rate is associated with good sleep, while a fast heart rate is associated with bad sleep.✓Well SupportedExposure to natural light for 15 minutes immediately upon waking can help reset the brain's connection to the physical world.✓Well Supported

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Bryan Johnson's Blueprint Rapamycin Protocol

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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.

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N. Park

2d

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

Avoiding blue light from phones and computers before sleep, and using red lights, can help improve sleep onset.

◐Partially SupportedA one-hour pre-bedtime routine that includes being off screens, calming down, and reading a book can lead to a great night's sleep.

✕Not SupportedExposure to blue light from screens for 3 hours before sleep is detrimental to sleep quality.

✓Well SupportedThe ideal sleeping environment is quiet, dark, and cold.

◐Partially SupportedFollowing sleep and light exposure guidelines can lead to better sleep and a longer lifespan.