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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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Blue light blockers and how they improve sleep (AMA #4) — Whalespan

Content›Video›Blue light blockers and how …

Blue light blockers and how they improve sleep (AMA #4)

Peter Attia6m · 2020-01-26

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 SupportedElevated cortisol in the morning is desirable for mood, focus, alertness, and facilitating sleep at night, while lower cortisol in the afternoon and evening is preferred.✓Well SupportedAdenosine builds up during wakefulness, creating a sleep drive.✓Well SupportedCaffeine's antagonism of adenosine leads to wakefulness and consequently a higher metabolic rate compared to being asleep.✓Well SupportedREM sleep is less determined by prior wakefulness compared to deep sleep, which is more influenced by accumulated adenosine, melatonin, and suppressed cortisol.Well Supported

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Peter Attia on Zone 2 Cardio

Peter Attia on Rapamycin (with Matt Kaeberlein)

Attia walks back the clinic protocol: too aggressive for healthy adults

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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.

✓

Melatonin is secreted by the pineal gland in the absence of light, signaling darkness.

✓Well SupportedWearing blue light blocking glasses before bedtime helps log a perfect night's sleep.

◐Partially SupportedGunnar glasses are recommended for use when looking at electronics in the evening after sunset.

◐Partially SupportedUsing blue light blocking glasses can lead to a noticeable difference in sleep quality.

◐Partially SupportedMac's 'flux' setting reduces light output and can improve sleep quality when working on a laptop.

◐Partially SupportedPhone settings that render the screen completely red or gray can be more adequate than blue light blocking glasses for improving sleep.