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. Author manuscript; available in PMC: 2022 Mar 27.
Published in final edited form as: Nutr Health. 2021 Mar 24;28(1):5–11. doi: 10.1177/02601060211002347

Figure 1.

Figure 1.

Change in (a) body weight, (b) insomnia severity, (c) sleep quality and (d) risk of obstructive sleep apnea after 8 weeks of 4-h versus 6-h time restricted feeding (TRF). Continuous variables reported as mean ± SEM. Risk of obstructive sleep apnea reported as % occurrences. (a) Body weight decreased similarly (p < 0.001, group × time interaction) in the 4- and 6-h TRF, versus controls. (b) Insomnia severity did not change in the 4- and 6-h TRF groups, versus controls (no group × time interaction). (c) Sleep quality (Pittsburgh Sleep Quality Index, PSQI) score did not change in the 4- and 6-h TRF groups, versus controls (no group × time interaction). (d) Risk of obstructive sleep apnea did not change in the 4- and 6-h TRF groups versus controls (no group × time interaction).