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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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The Hidden Connection Between Sleep and Dementia — Whalespan

Content›Video›The Hidden Connection Betwee…

The Hidden Connection Between Sleep and Dementia

Rhonda Patrick5m · 2021-04-21

Claims Made

11

Claims Supported

10

Support Rate

91%

Support rate

10 of 11 claims supported

10 supported1 partial / not

Claims from this content

10

✓Well SupportedExercising in the morning when sleep-deprived can help mitigate afternoon exhaustion and avoid disrupting the sleep schedule.✓Well SupportedThe brain's glymphatic system is highly active during deep sleep to clear metabolic waste products.✓Well SupportedAmyloid beta plaques can interfere with neuronal synapses and inhibit deep sleep, creating a vicious cycle with poor sleep.✓Well SupportedAlzheimer's disease attacks deep sleep-generating regions, leading to diminished deep sleep, impaired learning, and increased forgetfulness.Well Supported

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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.

✓

Omega-3 fatty acids from fish oil have been shown in animal research to enhance amyloid beta clearance by improving the glymphatic system.

✓Well SupportedAerobic exercise improves the lymphatic system's clearance of amyloid-beta.

◐Partially SupportedGetting fewer than five hours of sleep per night is associated with twice the risk of developing dementia compared to sleeping seven to eight hours per night.

◐Partially SupportedTo improve sleep quality and build resilience to Alzheimer's, keep the room cool, avoid bright light in the evening, seek bright light in the morning, and limit caffeine and alcohol.

◐Partially SupportedGetting less than five hours of sleep per night, daytime sleepiness, and taking regular naps are associated with increased mortality over a five-year period.

✕Not SupportedHypnotic sleeping pills may reduce brain plasticity and are associated with increased cancer risk.