sleep movements

plural noun

Definition of sleep movements

: movements (such as nyctinasty or nyctitropism) in plants in which leaves or other organs assume positions suggestive of sleep

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Cite this Entry

“Sleep movements.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sleep%20movements. Accessed 3 Dec. 2020.

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