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Weekly · Sunday Morning

Five longevity claims.
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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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3 Hacks to Optimize Sleep — Whalespan

Content›Video›3 Hacks to Optimize Sleep…

3 Hacks to Optimize Sleep

Paul Saladino7m · 2025-08-25

Claims Made

16

Claims Supported

14

Support Rate

88%

Support rate

14 of 16 claims supported

14 supported2 partial / not

Claims from this content

13

✓Well SupportedMaintaining bedroom carbon dioxide levels below 900 parts per million while sleeping is recommended for better sleep quality.✓Well SupportedMaintaining a very cold room temperature is preferred for optimal sleep.✓Well SupportedCovering windows with garbage bags and painter's tape can improve sleep quality by reducing ambient light.✓Well SupportedConsistent sleep schedules during two-week periods in one time zone feel beneficial.✓Well SupportedReducing the number of occupants in a bedroom overnight can help prevent carbon dioxide buildup.

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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.

◐Partially SupportedSilicone earplugs are effective for blocking noise during sleep and are easy to use without falling out.

◐Partially SupportedHumans produce approximately 15 liters of carbon dioxide per hour at rest.

◐Partially SupportedWaking up once a night to urinate can occur even without fluid intake for several hours before sleep.

◐Partially SupportedSleep masks can be ineffective if light can still be seen under the mask.

◐Partially SupportedSleep quality is improved when the sleep environment is very dark.

◐Partially SupportedAvoiding blue light before sleep is important.

◐Partially SupportedTo maintain darkness while allowing for airflow, one part of a window can be left unblacked out, and the bedroom door can be cracked slightly.

◐Partially SupportedSeeds Daily Symbiotic is the speaker's preferred probiotic due to its multi-stage delivery system, published clinical trials, and overall quality.