Back to Journals » Nature and Science of Sleep » Volume 11

Sleep inertia: current insights

Authors Hilditch CJ, McHill AW

Received 2 April 2019

Accepted for publication 10 August 2019

Published 22 August 2019 Volume 2019:11 Pages 155—165

DOI https://doi.org/10.2147/NSS.S188911

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 3

Editor who approved publication: Dr Sutapa Mukherjee


Cassie J Hilditch,1 Andrew W McHill2

1Fatigue Countermeasures Laboratory, San Jose State University Research Foundation, Moffett Field, San Jose, CA 94035, USA; 2Oregon Institute of Occupational Health Sciences, Oregon Health and Science University, Portland, OR 97239, USA

Correspondence: Andrew W McHill
Oregon Institute of Occupational Health Sciences, Oregon Health and Science University, 3181 SW Sam Jackson Park Road - L606
Portland, OR 97239 USA
Tel +1 503 494 2594
Fax +1 503 494 4278
Email mchill@ohsu.edu

Abstract: Sleep inertia, or the grogginess felt upon awakening, is associated with significant cognitive performance decrements that dissipate as time awake increases. This impairment in cognitive performance has been observed in both tightly controlled in-laboratory studies and in real-world scenarios. Further, these decrements in performance are exaggerated by prior sleep loss and the time of day in which a person awakens. This review will examine current insights into the causes of sleep inertia, factors that may positively or negatively influence the degree of sleep inertia, the consequences of sleep inertia both in the laboratory and in real-world settings, and lastly discuss potential countermeasures to lessen the impact of sleep inertia.

Keywords: cognitive performance, countermeasures, grogginess


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