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Review

Effects of High-Intensity Interval Training on Sleep: A Systematic Review and Meta-Analysis

Division of Sport Science & Physical Education, Tsinghua University, Beijing 100084, China
*
Author to whom correspondence should be addressed.
These authors have contributed equally to this work.
Academic Editors: Hugo Olmedillas, Miguel Enrique del Valle Soto and Nicolas Terrados
Int. J. Environ. Res. Public Health 2021, 18(20), 10973; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph182010973
Received: 23 August 2021 / Revised: 7 October 2021 / Accepted: 13 October 2021 / Published: 19 October 2021
(This article belongs to the Special Issue Exercise, Health and Disease Management)
Objectives: To use a quantitative approach to examine the effects of high-intensity interval training (HIIT) interventions on sleep for adults. Methods: PubMed, Ebsco, Web of Science, Cochrane Central Register of Controlled Trials, the China National Knowledge Infrastructure, and Wanfang Data were searched from their inception to December 2020. Intervention studies with a control group that examined the effects of HIIT interventions on sleep were included in this meta-analysis. The risk of bias was assessed using the tool provided by the Cochrane Handbook for Systematic Reviews of Interventions. Effect sizes (ESs), calculated as weighted mean difference (WMD) and standardized mean difference (SMD), were used to examine the effects of objective outcomes and subjective outcomes separately. Results: A large increase in sleep quality (SQ) reflected by the Pittsburgh Sleep Quality Index global scores [WMD = −0.90, 95%CI (−1.72, −0.07), p = 0.03, n = 8] and a small-to-medium favorable effect on sleep efficiency (SE) [SMD = 0.43, 95%CI (0.20, 0.65), p = 0.0002, n = 10] were found after HIIT intervention. In addition, sub-analyses results suggest that ESs were moderated by the type, duration and frequency, as well as the length of the HIIT intervention. Conclusions: HIIT may be a promising way to improve overall subjective SQ and objective SE. PROSPERO, protocol registration number: CRD42021241734. View Full-Text
Keywords: high-intensity interval training; sleep; meta-analysis; systematic review high-intensity interval training; sleep; meta-analysis; systematic review
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MDPI and ACS Style

Min, L.; Wang, D.; You, Y.; Fu, Y.; Ma, X. Effects of High-Intensity Interval Training on Sleep: A Systematic Review and Meta-Analysis. Int. J. Environ. Res. Public Health 2021, 18, 10973. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph182010973

AMA Style

Min L, Wang D, You Y, Fu Y, Ma X. Effects of High-Intensity Interval Training on Sleep: A Systematic Review and Meta-Analysis. International Journal of Environmental Research and Public Health. 2021; 18(20):10973. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph182010973

Chicago/Turabian Style

Min, Leizi, Dizhi Wang, Yanwei You, Yingyao Fu, and Xindong Ma. 2021. "Effects of High-Intensity Interval Training on Sleep: A Systematic Review and Meta-Analysis" International Journal of Environmental Research and Public Health 18, no. 20: 10973. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph182010973

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