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. 2024 Jun 30;7:86. doi: 10.1038/s41746-024-01065-0

Fig. 2. Agreement assessment via Bland-Atman plot for total sleep duration, rapid eye movement sleep (REM) duration and non-rapid eye movement sleep (NREM) duration on internal and external validation.

Fig. 2

a the agreement for the internal validation; b the agreement for the external validation. The internal validation consists of 1113 polysomnography nights from the Raine Study and the Newcastle cohort, whereas the external validation consists of 53 polysomnography nights from the Leicester and Pennsylvania cohorts.