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What Is REM Sleep?

journal contribution
posted on 02.06.2022, 04:41 authored by MS Blumberg, John LeskuJohn Lesku, PA Libourel, MH Schmidt, NC Rattenborg
For many decades, sleep researchers have sought to determine which species ‘have’ rapid eye movement (REM) sleep. In doing so, they relied predominantly on a template derived from the expression of REM sleep in the adults of a small number of mammalian species. Here, we argue for a different approach that focuses less on a binary decision about haves and have nots, and more on the diverse expression of REM sleep components over development and across species. By focusing on the components of REM sleep and discouraging continued reliance on a restricted template, we aim to promote a richer and more biologically grounded developmental–comparative approach that spans behavioral, physiological, neural, and ecological domains. Blumberg et al. describe REM sleep during different times of development and across various species, arguing for a more biologically grounded developmental-comparative approach to understanding REM sleep and its components. They make the case that the diversity observed should be embraced and leveraged to better understand this sleep state.

Funding

This paper arose from discussions at the 2018 Gordon Conference on Sleep Regulation and Function. M.S.B. was supported by a grant from the National Institute of Child Health and Human Development (R37-HD081168). J.A.L. was supported by the Australian Research Council (DP170101003). P.A.L. was supported by the CNRS (France) and the University of Lyon 1. M.H.S. was supported by the Center for Experimental Neurology and the Department of Neurology at the University of Bern, Bern University Hospital (Inselspital), Insel grant 84801184, the Sleep Medicine Research Foundation, and the Ohio Sleep Medicine Institute. N.C.R. was supported by the Max Planck Society. We are very grateful to Damond Kyllo for preparation of the figures.

History

Publication Date

06/01/2020

Journal

Current Biology

Volume

30

Issue

1

Pagination

12p. (p. R38-R49)

Publisher

Elsevier

ISSN

0960-9822

Rights Statement

© 2019 Elsevier Ltd.

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