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The original was posted on /r/science by /u/mvea on 2025-05-29 02:11:29+00:00.

Original Title: Night owls (those who stay up at night and go to bed late) are more likely to suffer cognitive decline than morning people, finds a new study that followed more than 20,000 people aged 40 and older over 10 years. Interestingly, the difference was found mostly in higher-educated people.