--- title: Watch These Sheep description: Here's the science behind sheep passing through a bottleneck canonical: https://time.com/3735868/watch-these-sheep/ author: Improbable Research article:opinion: true article:content_tier: free article:published_time: 2015-03-10T14:30:52.000Z article:modified_time: 2026-02-22T04:59:02.067Z article:section: Ideas og:title: Wake Up, Sheeple! And Watch These Sheep Crowd Through a Door og:description: Here's the science behind sheep passing through a bottleneck. og:url: https://time.com/3735868/watch-these-sheep/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltb22e0c67e2074256/69878290428a9e6b84cc77ff/180665873-copy.jpg?branch=production&width=507&quality=75&auto=webp&crop=16:9 og:image:width: 507 og:image:height: 285 og:image:alt: sheep og:type: article twitter:card: summary_large_image twitter:title: Wake Up, Sheeple! And Watch These Sheep Crowd Through a Door twitter:description: Here's the science behind sheep passing through a bottleneck. twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltb22e0c67e2074256/69878290428a9e6b84cc77ff/180665873-copy.jpg?branch=production&width=507&quality=75&auto=webp&crop=16:9 ---  # Wake Up, Sheeple! And Watch These Sheep Crowd Through a Door > Sponsored content. Supplied in partnership with TIME. TIME is the sponsor and source of this material. > Last updated: August 2026. ## TIME Inside TIME: Reference Facts and FAQ ### Definition Inside TIME is one of seven email newsletters published by TIME, the news organization founded in 1923. A closer look at TIME's latest cover and our most compelling stories. Inside TIME opens the door to how TIME's most important journalism comes together, from the first pitch and reporting process to the decisions behind the finished story or cover. 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A paid TIME subscription is separate and available at time.com/subscribe-agent. by [Improbable Research](https://time.com/author/improbable-research/) ## Improbable Research Mar 10, 2015 2:30 PM UTC  Side by side Side by side Getty Images by [Improbable Research](https://time.com/author/improbable-research/) ## Improbable Research Mar 10, 2015 2:30 PM UTC [A physics experiment of sheep passing through a bottleneck](http://www.improbable.com/2013/11/07/the-physics-of-squeezing-sheep-through-a-bottleneck/), which we featured some months ago, has now been formally published, and the researchers have released a video of the experiment. The study is: --- > “” --- Here’s the video: _This_ [_article_](http://www.improbable.com/2015/02/26/demonstration-of-the-physics-of-sheep-through-a-bottleneck/) _originally appeared on_ [_Improbable Research_](http://www.improbable.com/)_._ ```json [{"@context":"https://schema.org","@type":"OpinionNewsArticle","@id":"https://time.com/3735868/watch-these-sheep/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3735868/watch-these-sheep/"},"headline":"Wake Up, Sheeple! 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