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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Neurosci Biobehav Rev. 2021 May 15;127:675–688. doi: 10.1016/j.neubiorev.2021.05.010

Table 5.

Average Pearson correlation between episodic memory performance and sleep quality by sleep protocol with the 95% confidence interval

Sleep Protocol r LL UL k j p
Full Night 0.17 0.07 0.27 32 362 <.001
Nap 0.26 0.13 0.38 18 234 <.001

NOTE: LL = lower confidence interval; UL = upper confidence interval; k = the number of studies; j = the number of effect sizes