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KMID : 1034320220130030171
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Sleep Medicine Research
2022 Volume.13 No. 3 p.171 ~ p.175
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Habitual Subjective Sleep Continuity is Not Associated With Fluid Intelligence: An Exploratory Study
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Jensen Emily L.
Santhi Nayantara
Elder Greg J.
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Abstract
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The link between sleep and cognition is well-established, but the link between subjective sleep and fluid intelligence is poorly understood. The aim of this exploratory study was to examine the relationship between habitual subjective sleep continuity and fluid intelligence. In this study, a total of 56 healthy sleepers (Mage = 30.91 years; SDage = 12.93 years) completed two fluid intelligence (abstract reasoning and two-dimensional mental rotation) tasks after completing seven consecutive days of sleep diaries. Relationships between subjective sleep continuity (total sleep time [TST]; sleep efficiency [SE%]); wake after sleep onset (WASO) and sleep onset latency (SOL), and task accuracy and speed were assessed using Pearson correlations. Overall, there were no associations between subjective sleep continuity (TST, SE%, WASO, SOL) and either task accuracy or speed (adjusted p-values > 0.0125). Overall, habitual subjective sleep continuity and fluid intelligence may not be associated. These results should be replicated in larger samples.
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KEYWORD
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Cognitive function, Neurobehavioral performance, Neuropsychology, Sleep/wake cognition
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