The circadian syndrome is a predictor for cognition impairment in middle‐aged adults: Comparison with the metabolic syndrome

Circadian syndrome (CircS) is associated with a 1.02 point decrease in global cognition scores for men and 1.36 points for women.

• CircS and metabolic syndrome (MetS) show opposite associations with global cognition and self-reported memory.
• CircS alone is linked to significantly lower cognition scores compared to individuals without either syndrome.
• Men with CircS are 2.53 times more likely to report poor memory, while women are 2.08 times more likely.
• In contrast, MetS alone is associated with a lower likelihood of poor memory in both men and women.
• Individuals with both CircS and MetS combined have an increased likelihood of self-reported poor memory.

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