A new study finds that people who procrastinate may be more likely to have insomnia, reports LiveScience.

Although it isn’t clear how the link may work, the researchers said that it seemed to be explained by people worrying about things that they wanted to get done before going to bed, the researchers said. At bedtime, “people who procrastinate are ruminating about the things they need to do and haven’t done,” and that makes it difficult to go to sleep, said study author Ilana S. Hairston, a sleep researcher at Academic College of Tel Aviv in Israel.

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