Can shifting time by one hour each day reset your internal clock?

NCT ID NCT07317349

First seen Jan 11, 2026 · Last updated May 10, 2026 · Updated 15 times

Summary

This study looks at whether experiencing a small time delay every day can change your internal body clock. Researchers will measure melatonin levels and reaction times in 40 healthy couples who live together. The goal is to understand how our daily routines affect sleep and circadian rhythms, not to test a treatment.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Aarhus University, Department of Psychology and Behavioural Sciences

    RECRUITING

    Aarhus, 8000, Denmark

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

Conditions

Explore the condition pages connected to this study.