Sleep Architecture and Sleep EEG Alterations are Associated with Impaired Cognition Under Sleep Restriction.

Nat Sci Sleep · 2023 · PMC10578164 · PMID 37850195

Europe PMC DOI

hedged sentences

0.0530

closest p · 1.1× alpha

0.0990

boldest claim

The sentences

a trend toward significancep = 0.053so close (0.05 < p ≤ 0.1)

The main effect of sleep on SOL was not significant ( p > 0.05), but there was a trend toward significance between the baseline and 2nd SR ( p = 0.053).

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showed a trendp = 0.075so close (0.05 < p ≤ 0.1)

Similarly, the differences in theta wave power density among different sleep conditions showed a trend toward significance (F(2, 30) = 2.832, p = 0.075, η 2 p = 0.159).

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marginally significantp = 0.099so close (0.05 < p ≤ 0.1)

However, no significant differences in the REM ratio were found ( p > 0.05), with a marginally significant decrease on the 1st SR night compared with that on the baseline night (t(15) = 1.761, p = 0.099, Cohen’s d = 0.440).

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a trend towards significanceno p-value reported

6 , 11 Theta and alpha wave power density significantly increased on the first night of SR, with a trend towards significance on the second night.

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did not reach statistical significanceno p-value reported

However, these differences did not reach statistical significance on the 14th SR night. 11 A study on the relationship between slow wave sleep and cognitive tasks in insomniac patients found that lower levels of slow wave were associated with poorer task performance, but this relationship was not observed in the healthy population. 16 Moreover, higher spindle amp

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