EnglishMatt Walker Twitter (X) stats, updated continuously. @sleepdiplomat has 438,765 followers and 2,395 posts on X. Account age: 10 years (joined October 2015).
Engagement
A typical post picks up 39 interactions against 439K followers, an engagement rate of 0.009%. Measured over 8 original posts, its engagement rate beats 29% of 3,739 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 18K times each, and 0.212% of those impressions turn into an interaction. That is about 4.20% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 8 original posts from a 30-day window, last computed on August 30, 2026. Recurring tags: #neuroscience, #sleepscience, #sleep.
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Follower growth
Bio
Professor of Neuroscience & Biomedical Engineering, UTD, Center for BrainHealth · Sleep Scientist · Author: Why We Sleep · Podcaster · CEO Nightfall IQ
Notable followers
The biggest accounts in our directory following @sleepdiplomat.
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Matt Walker on Twitter (X) - frequently asked questions
- How many followers does Matt Walker have on X?
- Matt Walker (@sleepdiplomat) has 438,765 followers on X (Twitter). The count is refreshed continuously from public data.
- When did Matt Walker join X, and how old is the account?
- Matt Walker joined X in October 2015. The @sleepdiplomat account is 10 years old. Searches for Matt Walker age often mean a personal age, which we do not publish. The figure here is the account age only.
- How many posts has Matt Walker published?
- Matt Walker has published 2,395 posts on X. That is about 0.6 posts per day over the life of the account.
- Is Matt Walker verified on X?
- Yes. Matt Walker is verified on X with a blue checkmark (X Premium).
- What does Matt Walker post about?
- Matt Walker is classified under Science in our directory. Bio: "Professor of Neuroscience & Biomedical Engineering, UTD, Center for BrainHealth · Sleep Scientist · Author: Why We Sleep · Podcaster · CEO Nightfall IQ".