Sleep more by tweaking your bedtime: new study tests simple fix for short sleepers

NCT ID NCT07345767

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether adjusting bedtime by just 15 minutes each week can help adults who sleep 6 hours or less get more sleep. Over 1,000 participants will use a sleep diary or Fitbit to guide their schedule. The goal is to see if this simple approach improves sleep duration, reduces tiredness, and boosts mental health and thinking skills.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Sleep schedule adjustment based on sleep diary or Fitbit data
What this could lead to
If successful, this could provide a simple, non-drug way for short sleepers to improve sleep duration and reduce daytime sleepiness.
What could go wrong
This is a behavioral study with no blinding, so results may be influenced by participant expectations. The intervention is small (15-minute adjustments) and may not work for everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • University of Arizona

    RECRUITING

    Tucson, Arizona, 85719, United States