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Research Hit: Sleep On It To Make Better Decisions

Andy Hab
2 min readFeb 5, 2025

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New research shows that when you do sleep on it, you remove bias in decision making

Sleeping on it is always good advice!

Indeed, there are multiple reasons such as removing impulsivity and those rash in-the-moment decisions. Also for creativity we know that the brain can consolidate and work through problems.

But this research I am reporting on by Alyssa Sinclair et al. of Duke University looked at a very specific bias — namely primacy bias.

What is primacy bias?

This is the “first impressions count” bias i.e. that information presented first is given greater weight in our brains.

And this does exist right?

Yes, previous research has shown it does indeed exist — and the researchers came up with a novel way to test this, which I thought was cool.

Oh, how then?

Through a garage sale experiment!

A garage sale experiment?

Yes, I found it amusing and innovative as well — I sometimes love the ways researchers come up with ideas to explore different topics. Not only that but participants also did this virtually!

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Andy Hab
Andy Hab

Written by Andy Hab

Sharing fascinating, fun, and important knowledge on the brain and human behaviour - most days. And masters track athlete - still going strong!

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