Matt Walker✓ Add us as a preferred source on Google

X @sleepdiplomat

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Followers

445.9K

Posts

2.4K

Following

Account age

10 yrs

🎁 Free analysisfor Matt Walker

🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

Known for

Coffee & early death: Despite my favorable coffee bias, I cleave to the mantra: the dose & timing make the poison. New data: ≥2cups/day doubles the risk of mortality expressly in those with high blood pressure (fyi 1cup/day still reduces risk #Goldilocks)
https://t.co/6F2Z9nmCL9

491.2K views Coffee & early death: Despite my favorable coffee bias, I cleave to the mantra: the dose & timing make the poison. New data: ≥2cups/day doubles the risk of mortality expressly in those with high blood pressure (fyi 1cup/day still reduces risk #Goldilocks) https://t.co/6F2Z9nmCL9

Small study w/limitations: smartphone use in bed = longer time to fall asleep, more time awake at night, higher heart rate & lower HRV (nominal effects on REM/NREM). Love @michaelgrandner's rule: you can only use your phone standing up in the bedroom 🙌 https://t.co/CtscGPnyzY

386.6K views Small study w/limitations: smartphone use in bed = longer time to fall asleep, more time awake at night, higher heart rate & lower HRV (nominal effects on REM/NREM). Love @michaelgrandner's rule: you can only use your phone standing up in the bedroom 🙌 https://t.co/CtscGPnyzY

📊 Post performance

183.4K

Avg views / post

41.1%

Reach vs followers

Oct 2015

On X since

🔥 Top post: Coffee & early death: Despite my favorable coffee bias, I cl · 491.2K views

📊 Activity & format

Posting cadence

0.06 / week

A lower-frequency account — each post lands with more weight.

Content mix

Mostly text

Recent: 1 video · 7 image · 10 text.

Follower / following

7.6K×

Follows 59 back. A strong ratio — an audience that follows them, not a follow-for-follow network.

Verification

✓ X Premium

A paid X Premium (Blue) verified account.

Recent posts

View on X ↗

🔥 Top post Coffee & early death: Despite my favorable coffee bias, I cleave to the mantra: the dose & timing make the poison. New data: ≥2cups/day doubles the risk of mortality expressly in those with high blood pressure (fyi 1cup/day still reduces risk #Goldilocks) https://t.co/6F… 491.2K❤ 1.3K🔁 247

@Cobratate With all due respect, there is no science to suggest this is true, or wise. If anything, quite the opposite. See ‘Readers added context’. 89.9K❤ 1.4K🔁 76 @Golibe6 I understand why this would seem to make sense. But the science says the exact opposite. Less sleep does not = more productive. More sleep = more productive, efficiency, creativity, and ingenuity. Plus a longer health span. But it… 55.4K❤ 1.5K🔁 99 @elonmusk Happy to help. 183.4K❤ 1.2K🔁 53

Small study w/limitations: smartphone use in bed = longer time to fall asleep, more time awake at night, higher heart rate & lower HRV (nominal effects on REM/NREM). Love @michaelgrandner's rule: you can only use your phone standing up… 386.6K❤ 2K🔁 432 @Casey Thanks for sharing, @Casey. Would be delighted to connect and chat about your sleep. There are rare genetic mutations that mean a v small number of people sleep only 6hr. But most people don't have this gene though ☺️. ❤ 892🔁 31

Interesting findings on how to help crying infants sleep. Study suggests a two-part path: 1) hold the baby and walk with them for 5 minutes, then 2) sit and hold the baby for 5-8 minutes before putting them back to bed. The “walking-to-sit… ❤ 2.3K🔁 314 Thanks to @lexfridman, @hubermanlab, @davidasinclair, @PeterAttiaMD (🙏), I've decided to (inarticulately) launch a Podcast. First episode released today. On Instagram (drmattwalker), lmk how I can do things better, and what topics you want… ❤ 1.2K🔁 237 Remarkable humans are a precious thing. Having two of them sit down together and converse is sublime wonder. Thank you. @hubermanlab @lexfridman ❤ 982🔁 89

Delaying school start times by 1hr = 1) more sleep, 2) better attendance, and 3) superior academic performance. Conclusion: "A delay in school start time should be seriously considered to improve sleep and academic achievements of students… ❤ 2.4K🔁 634

Sleep: a foundation, not pillar, of mental health? Associational study of +1,000 people. Sleep quality was the strongest predictor of depressive symptoms and flourishing, followed by sleep quantity. Next were physical activity then diet (f… ❤ 919🔁 279

Associational study showing that nearly 25% of a student’s grade is predicted by sleep in the weeks before the exam. Suggests sleep hysteresis: it’s not simply sleep the night prior to the exam. Rather, it's your aggregated sleep history o… ❤ 1K🔁 391

💡 Facts

🗓️Joined X in 2015 — 10 years ago.

👁️Averages 183.4K views per post.

📤Posts about 0.1× per week.

💬0.4% engagement rate.

🏅Earned the 100K Followers for passing 100K followers.

🕵️ Fake follower check

Estimated

46/100

Fair Credibility score

69%

Mixed Real audience

Medium Fake-follower risk

High Data confidence

Est. 69% real, active audience · Medium fake-follower risk.
Low engagement (~0.4× of followers engage each post) — a sign of an inflated or inactive audience.
Organic base — far more followers than accounts it follows.
Verified account.
Established account (10+ years old).
0.4% engagement — below the ~14.4% typical for this size.

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

Professor of Neuroscience & Biomedical Engineering, UTD, Center for BrainHealth · Sleep Scientist · Author: Why We Sleep · Podcaster · CEO Nightfall IQ

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🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

Obey_Me_Series_Official 18%

PTVph 15%

HYPEX² 11%

Rockynohands 11%

Chivas Femenil 10%

Business Insider 10%

More like this

Obey_Me_Series_Official ✓

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How many followers does Matt Walker have?

Matt Walker has 445,924 followers on X.

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