polyphasic

adjective

poly·​pha·​sic ˌpä-lē-ˈfā-zik How to pronounce polyphasic (audio)
: consisting of two or more phases

Examples of polyphasic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, a biphasic sleep schedule can be easier to follow than a polyphasic schedule and may help improve energy and brain function during the day compared to a monophasic schedule.3 Types of Biphasic Sleep Biphasic sleep typically involves sleeping at night and taking a midday nap. Carley Millhone, Health, 31 Oct. 2024 Some biohackers use the polyphasic sleep pattern to complete more tasks. Adrafinil.com, The Salt Lake Tribune, 15 Aug. 2023 Simon says newborn infants will sleep roughly 18 hours a day in multiple bouts, which is called polyphasic sleep. Carl Engelking, Discover Magazine, 6 Jan. 2017 The fast, as well as Massaro encouraging his followers to engage in polyphasic sleep, a technique in which people sleep for just a few hours at a time, were framed as part of the pathway to enlightenment. Ej Dickson, Rolling Stone, 18 Apr. 2022 Some literature and research suggests that humans are naturally polyphasic sleepers. Jamie Ducharme, Time, 30 Jan. 2018

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of polyphasic was in 1922

Dictionary Entries Near polyphasic

Cite this Entry

“Polyphasic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyphasic. Accessed 21 Nov. 2024.

Medical Definition

polyphasic

adjective
poly·​pha·​sic -ˈfā-zik How to pronounce polyphasic (audio)
1
: of, relating to, or having more than one phase
polyphasic evoked potentials
compare diphasic sense b, monophasic sense 1
2
: having several periods of activity interrupted by intervening periods of rest in each 24 hours
an infant is essentially polyphasic
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