How to Use REM sleep in a Sentence

REM sleep

noun
  • REM sleep is when dreaming occurs.
    — Kaan Ozcan, NBC news, 4 Feb. 2026
  • Outwardly, REM sleep looks like rest.
    — Rachel Barr, Big Think, 20 Aug. 2025
  • Blumberg argues that the brain uses REM sleep to test-drive the body.
    — Ed Yong, The Atlantic, 25 Aug. 2022
  • During REM sleep, both fire at once for another boost.
    — Allison Palmer, Miami Herald, 29 Apr. 2026
  • All sleep stages matter, but the one that matters most is REM sleep, the dreaming stage.
    — Joanna Fong-Isariyawongse, The Conversation, 11 June 2026
  • But wait — the Oura Ring even monitors your REM sleep!
    — Zach Przystup, Baltimore Sun, 18 Feb. 2026
  • Even a single glass can interfere with brain waves and suppress REM sleep.
    — Dr. Samanta Dall’agnese, CNBC, 13 May 2025
  • Goswami explained that when people are in a deep REM sleep, the heart gets a chance to relax.
    — Nicole Villalpando, Austin American-Statesman, 21 Oct. 2024
  • Scientists say humans have their most vivid dreams during REM sleep.
    — Julian Mark, Washington Post, 15 Aug. 2022
  • If spiders have REM sleep, might dreams also unfold in their poppy-seed-size brains?
    — Carolyn Wilke, Popular Science, 6 Sep. 2023
  • Cycles of REM sleep primarily occur in the last third of the night.
    — Lynne Peeples, TIME, 6 Jan. 2025
  • Brain scans were not widely available, and there was scant knowledge of sleep stages such as REM sleep, when more vivid dreams take place.
    — Shayla Love, New Yorker, 1 May 2026
  • When people woke from REM sleep, their cortex woke up in the same way, but without the preceding slow wave.
    — Yasemin Saplakoglu, Quanta Magazine, 17 Oct. 2025
  • Baby teeth grinding tends to occur most often during REM sleep, the second stage of sleep.
    — Chaunie Brusie, Rn, Parents, 16 July 2024
  • One example that raises doubts is the fact that the blind mole rat does not see and still experiences REM sleep.
    — Roberta McLain, Scientific American, 12 Dec. 2023
  • Humans have more REM sleep than other primates despite sleeping less in total.
    — Katie Hunt, CNN Money, 1 June 2026
  • By nine months, the results showed even less REM sleep, pointing toward a progressive decline.
    — Angelica Stabile, FOXNews.com, 7 Apr. 2026
  • Good sleep practices may help improve REM sleep and minimize dementia risk.
    — Tom Gavin, EverydayHealth.com, 4 Feb. 2025
  • Fitbits with heart rate monitors can discern between light sleep, deep sleep, and REM sleep, when vivid dreams are more likely.
    — David Nield, WIRED, 4 May 2024
  • Losing 20 minutes of REM sleep may not seem like a lot, but Basner said the minutes can stack up.
    — Kaan Ozcan, NBC news, 4 Feb. 2026
  • Fish, however, do not have a neocortex in their brains so the propagating wave sleep is not the same as REM sleep.
    — Discover Magazine, 1 Oct. 2024
  • Nightmares, on the other hand, are concentrated in the second half of the night during REM sleep.
    — Lori Miller Kase, Parents, 30 Oct. 2024
  • No REM sleep cycle interruptions here.
    — Nashia Baker, Architectural Digest, 19 Mar. 2026
  • Dorff eventually spent a night at the sleep lab, where he was observed jerking and kicking his limbs during REM sleep.
    — Steve Nadis, Discover Magazine, 26 Nov. 2023
  • In the 1950s, researchers discovered the concept of REM sleep, which is when most dreams take place.
    — Hannah Yasharoff, USA Today, 27 Oct. 2025
  • The latest smartwatches are equipped to accompany you everywhere from the deep sea to deep REM sleep.
    — Perri Ormont Blumberg, WSJ, 26 Oct. 2022
  • REM sleep loss may be more pronounced for newborns, Basner added, which makes up half of their sleep compared with only 25% in adults.
    — Kaan Ozcan, NBC news, 4 Feb. 2026
  • Research also has found that exposure to brown noise can enhance the transition into REM sleep for some people.
    — Stacey Colino, Washington Post, 9 Oct. 2023
  • Irregular sleep may be harmful to your heart, study finds Rapid eye movement sleep, also called REM sleep, is the final stage.
    — Sandee Lamotte, CNN, 13 Mar. 2023
  • Here’s what experts had to say about the new study, how REM sleep and Alzheimer’s could be connected, and ways to increase your chances of getting healthy sleep.
    — Maggie O'Neill, Health, 6 Feb. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'REM sleep.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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