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Hypknowledge Nationwide Sleep Extension

NCT07345767 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 1038

Last updated 2026-05-14

No results posted yet for this study

Summary

The main goal of this study is to evaluate whether a manually determined sleep extension intervention is effective at improving sleep and related outcomes among adults who find it difficult to get enough sleep.

Conditions

  • Short Sleep Duration

Interventions

BEHAVIORAL

Sleep Diary

Based on the participant's sleep diary data, a new weekly sleep schedule will be prescribed as follows: if sleep efficiency is \<85%, the prescribed time in bed is reduced by 15 minutes (reducing sleep opportunity by 15 minutes); if sleep efficiency is 85-90%, the schedule remains unchanged; if sleep efficiency is \>90%, the prescribed time in bed is increased by 15 minutes, allowing an extra 15 minutes of sleep opportunity.

BEHAVIORAL

Fitbit

Based on the participant's Fitbit data, a new weekly sleep schedule will be prescribed as follows: if sleep efficiency is \<85%, the prescribed time in bed is reduced by 15 minutes (reducing sleep opportunity by 15 minutes); if sleep efficiency is 85-90%, the schedule remains unchanged; if sleep efficiency is \>90%, the prescribed time in bed is increased by 15 minutes, allowing an extra 15 minutes of sleep opportunity.

Sponsors & Collaborators

  • University of Arizona

    lead OTHER

Principal Investigators

  • Michael A Grandner, PhD · University of Arizona

Study Design

Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-08-01
Primary Completion
2027-05-31
Completion
2027-05-31

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07345767 on ClinicalTrials.gov