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Sponsor cites studies linking clock changes to crashes, heart attacks and sleep disruption

State Planning & Community Affairs Committee · January 28, 2026

Summary

Representative Wes Cantrell told the State Planning & Community Affairs Committee that academic research ties the semiannual time change to a rise in fatal crashes, spikes in heart attacks and disrupted sleep; committee members asked for the sponsor to provide sources and empirical detail.

Representative Wes Cantrell defended HB 44 by citing academic studies and health impacts he said justify ending the semiannual clock change.

Cantrell told the committee that "time change disrupts the natural order of things" and cited research he attributed to the University of Colorado and the University of Michigan. He said Colorado researchers found "a six percent increase in fatal car" accidents the week after spring forward and that other studies show spikes in pedestrian-involved collisions and increases in heart attacks.

Several committee members asked Cantrell to provide the specific studies, sample sizes and stakeholder outreach. A member moved that the sponsor return with empirical data and named contacts so the committee could review primary sources rather than rely on anecdote.

Cantrell said he would supply the committee with a list of the resources and research he referenced.

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