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Fitness, sleep & longevity: videos Hacker News recommends
Fitness and wellbeing: exercise science, strength training, running, sleep, meditation, longevity, biohacking, injury and rehab, sports science, motorcycle and sports safety. Below: every video in this topic that at least three HN users linked with real commentary, in at least three different months (15 explainers, 10 talks, 8 tutorials), best-scored first, with the comments on each video page.
- 6 HN recommenders 9 months 2008–2024HN has recommended it for years as the most useful and entertaining talk on sleep, often to people struggling with tiredness or productivity.
- 11 HN recommenders 9 months 2009–2017For over a decade HN has pointed people asking about stress, focus or meditation to this as a restful and approachable introduction to mindfulness.
- 12 HN recommenders 9 months 2018–2020HN readers recommend it as an accessible, motivating summary of Why We Sleep for people who will not read the book.
- 6 HN recommenders 8 months 2022–2024HN cites it as an accessible physician-led review supporting claims about infrared light, mitochondria and morning sun.
- 7 HN recommenders 7 months 2021–2024HN users repeatedly credit it with fixing their sleep, especially its advice on morning light and dimming lights in the evening.
- 10 HN recommenders 7 months 2020–2024HN commenters share it as an easy-to-follow guided exercise for anxiety, stress, and recovery, with many reporting daily use.
- 6 HN recommenders 5 months 2021–2025T The Galen Foundation · lectureSeveral HN commenters call it one of the best explanations of fasting and insulin and recommend it in diet and weight loss threads.
- 5 HN recommenders 5 months 2017–2021Shared as an accessible, convincing case for intermittent fasting and its physiology.
- 3 HN recommenders 5 months 2016–2026HN cites it whenever people question whether more exercise is always better, especially extreme endurance running.
- 4 HN recommenders 4 months 2009–2018D David Kuckhermann · tutorialFrequently recommended in RSI and wrist pain threads by people who say the stretches relieved their own symptoms.
- 3 HN recommenders 4 months 2014–20262 21 Studios · lectureHN recommends it as the theory behind Body by Science, explaining metabolism and why brief intense training works.
- 4 HN recommenders 4 months 2017–2025HN longevity fans point to it as a concise, fun statement of the case for fighting aging, and some say it changed their minds.
- 3 HN recommenders 4 months 2018–2023L lbtv · tutorialHN considers it an outstanding explanation of why drivers miss motorcycles and cyclists, linked in threads on visibility and junction crashes.
- 5 HN recommenders 4 months 2017–2018Recommended in threads on fasting and nutrition as a deep dive from the lead researcher on time-restricted eating.
- 4 HN recommenders 4 months 2018–2023HN commenters recommend it as a compelling, concise argument for longevity research and a rebuttal to common objections to ending aging.
- 4 HN recommenders 4 months 2022–2026HN recommends it whenever fitness, aging or cycling comes up, as the clearest statement that city design is the best public health investment.
- 4 HN recommenders 4 months 2013–2021Often the first thing suggested to HN programmers asking about posture and back pain.
- 4 HN recommenders 4 months 2022HN commenters point to it as a researcher-led answer on omega-3 dosing, with the takeaway that most people take too little.
- 3 HN recommenders 4 months 2019–2022HN points people to it as a nuanced, medically informed take whenever Wim Hof breathing or cold plunges come up.
- 3 HN recommenders 3 months 2018–2023HN recommends it as an accessible introduction to longevity research that changed some commenters' views.
- 4 HN recommenders 4 months 2017–2019HN commenters recommend it as a deeper, more legitimate interview on fasting mechanics than typical diet content.
- 3 HN recommenders 3 months 2019–2021HN commenters recommend it as an inspiring story about perseverance and getting outside one's comfort zone.
- 3 HN recommenders 3 months 2014–2026N NaturalRunningCenter · tutorialHN commenters call it the best video on natural running form and link it in running technique threads.
- 3 HN recommenders 3 months 2017–2022HN recommends it as a science-backed overview of sulforaphane's health effects, particularly for cancer.
- 4 HN recommenders 3 months 2022–2023V Virtusan · tutorialHN commenters recommend it as a short, practical guided rest session to use during a midday break or nap.
- 3 HN recommenders 3 months 2018–2019HN suggests it as an easy alternative to the book for people who want Walker's sleep findings.
- 3 HN recommenders 3 months 2016–2018Recommended in back pain and posture threads as a short, practical idea that helped some commenters.
- 2 HN recommenders 2 months 2021–2023HN points to it as a foundational neuroscience primer, with some commenters crediting it for practical changes to learning and sleep.
- 3 HN recommenders 2 months 2021–2023Commenters credit it for practical routines, such as morning walks and circadian timing, and for helping with burnout recovery.
- 2 HN recommenders 2 months 2022–2025HN commenters share it as a gentle beginner session and as a way to wind down before sleep.
- 2 HN recommenders 2 months 2020–2021Shared as the author's own hour-long overview of his aging research, though some commenters doubt that the book's claims hold up.
- 3 HN recommenders 2 months 2022–2024T The Quantified Scientist · demoHN commenters cite it as evidence that Apple Watch is the most accurate consumer sleep tracker and trust the channel for its scientific approach.
- 2 HN recommenders 2 months 2017–2019HN recommends it for her humility and for her stories of persevering through extreme endurance races.
- 2 HN recommenders 2 months 2014–2020K Kevin Hayward · demoLinked as a vivid demonstration of how fast hypoxia incapacitates people, often without them noticing.
- 2 HN recommenders 2 months 2019–2023HN recommends it as a good, short explanation of athlete's heart and the risks of extreme fitness.
- 1 HN recommenders 1 months 2014–2022Linked in discussions of diet, aging and cancer as a quick summary of how IGF-1 and mTOR growth signaling cut against longevity.
- 1 HN recommenders 1 months 2017–2018Cited in threads on exercise and cognition as an accessible overview of the movement-brain connection.
- 1 HN recommenders 1 months 2016–2023H Healthcare Triage · explainerHN shares it as an evidence-based summary of exercise benefits supported by good research.
- 1 HN recommenders 1 months 2016–2024HN mentions it as evidence that the Wim Hof method can be learned and as the documentary that led some to try breathing and cold exposure, while others dispute the claims.
- 1 HN recommenders 1 months 2013–2024A Adam Wade · tutorialHN commenters suggest it as a free guided stretching routine, with the first half hour enough for a good stretch.
- 1 HN recommenders 1 months 2023–2025E Essential Craftsman · commentaryHN people mention it as where they first heard of mouth taping and DIY CPAP-style fixes for sleep apnea.
- 1 HN recommenders 1 months 2020–2022Mentioned as the source for how to do Wim Hof breathing, for example as a sleep or relaxation suggestion.
- 1 HN recommenders 1 months 2021–2026HN cites it in threads on military recruiting and obesity as an early warning from a senior general that still applies.
- 2 HN recommenders 1 months 2024–2025HN uses it as a sourced, accessible summary in weight-loss and GLP-1 threads.
- cited 3× 0 months 2019–2025HN commenters cite it as the background for calling the DOT standard a joke.
- cited 3× 0 months 2022–2023D Dr Brad Stanfield · explainerHN cites it for details on resveratrol's unreplicated original study and the related corporate deal.
- cited 6× 0 months 2019–2023HN references it as the source of ideas like cold exposure and body stress for longevity, though some commenters criticize its claims as overreaching.
- cited 4× 0 months 2015–2016Listed among resources in longevity and anti-aging discussions as a key piece of lifespan research.
- cited 4× 0 months 2014–2024W wakoiii · videoUsed as an example in helmet and longboarding safety discussions.
- cited 4× 0 months 2021–2025HN cites it in arguments that exercise alone is an ineffective way to lose weight and that caloric deficit matters most.
- cited 3× 0 months 2015–2016T TheIHMC · talkCited as a reference in threads on telomeres, lifespan extension and longevity research funding, mainly for the nutrigenomics and epigenetics material.
Questions
What is the most recommended fitness, sleep & longevity video on Hacker News?
Personal Growth Series: Dr. William Dement on Healthy Sleep and Optimal Perfo... by Google TechTalks: HN has recommended it for years as the most useful and entertaining talk on sleep, often to people struggling with tiredness or productivity.
How is this fitness, sleep & longevity list ranked?
By HackerTube's score: the number of distinct months in which an HN comment recommended the video, plus half a point for every month with a strong recommendation. One viral thread counts less than steady recommendations over years.
Where do the videos come from?
From every Hacker News comment between 2007 and 2026 that linked a YouTube video, labeled by an AI model as a recommendation, a citation, a joke or a criticism. The list is published by HackerTube under ODC-By 1.0; this edition adds indexable pages and the comment context.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.