The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

clear all ✕

why aren't all 3 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Supported
Walker: Habitual 7.3-hour sleepers stabilized at 8.5 hours in sleep experiment
“They were sleeping about 7.3 hours every night, and they said subjectively, I feel fine. I feel well rested. So then they brought them into the laboratory for eight nights straight, And then they gave them an extended amount of time in bed. I think it was almo…”
Dr. Matt Walker Feb 22, 2022 ▶ 16:34 #131 Matthew Walker: The Power of Sleep
Assertion Supported
Walker: Optimal sleep comprises 20-25% REM and 20-30% deep non-REM
“For most of us, we should spend probably about 20 to 25% of the night in REM sleep, about 20 to maybe 30% of the night in deep non-REM sleep, and the rest is light non-REM sleep.”
Dr. Matt Walker Feb 22, 2022 ▶ 7:42 #131 Matthew Walker: The Power of Sleep
Assertion Supported
Walker: Insomnia is approximately 30% genetically heritable
“Firstly, there is some genetic heritability to it. It seems to be that insomnia is about 30% Heritable.”
Dr. Matt Walker Feb 22, 2022 ▶ 40:30 #131 Matthew Walker: The Power of Sleep
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