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Investigating the impact of sleep quality on cognitive functions ... frontiersin.org 3 facts
claimThe magnitude of the effect of sleep quality on attention and executive function is similar in both Tokyo and London, suggesting consistent influencing factors across these cultural contexts.
measurementThe relationship between Pittsburgh Sleep Quality Index (PSQI) scores and Stroop Test performance does not differ significantly between Tokyo and London (β = −0.10, p = 0.21), suggesting the magnitude of the effect of sleep quality on attention and executive function is consistent across both cultural contexts.
measurementStudents in London scored significantly higher on cognitive measures, including verbal learning, memory, attention, executive function, non-verbal reasoning, and cognitive flexibility, compared to students in Tokyo (p < 0.01).