Matt Walker✓ Add us as a preferred source on Google

X @sleepdiplomat

🔄 Data last refreshed 1 month ago

🤝

Make a deal with Matt Walker

👋 Unclaimed listing — auto-generated from public data; rates are estimates, not set by the creator. 🔒 Paid proposals held safely in escrow — released only when the work's approved.

This is an unclaimed, auto-generated listing. It was built only from Matt Walker’s publicly available X information. Matt Walker has not claimed, verified, or endorsed it, and is not affiliated with, sponsored by, or a partner of SocialDB — no partnership or endorsement is implied, and any prices shown are estimates, not set by the creator.

✓ Is this you? Claim it 🗑 Remove this listing

Followers

445.9K

Posts

2.4K

Following

Account age

11 yrs

💰 Suggested sponsorship rate

🎁 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

📊 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 — 11 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

69/100

Good Credibility score

85%

Real Real audience

Low Fake-follower risk

High Data confidence

Est. 85% real, active audience · Low fake-follower risk.
Engagement (~0.4× of followers engage each post) is around typical for X.
Organic base — far more followers than accounts it follows.
Verified account.
Established account (11+ years old).
0.4% engagement — below the ~2.2% 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

📸 Gallery

🔀 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 ✓

Frequently asked questions

How much does Matt Walker charge for a sponsorship?

Matt Walker hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.

How do I contact Matt Walker for a brand deal or collaboration?

Send a paid deal or collab request right here on SocialDB — we notify Matt Walker, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.

How many followers does Matt Walker have?

Matt Walker has 445,924 followers on X.