Hypknowledge Nationwide Sleep Extension

Recruiting now · Not applicable

Conditions studied: Short Sleep Duration

In brief

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.

Key facts

Study ID

NCT07345767

Run by

University of Arizona

People needed

1038

Starts

2026-08-01

Expected to finish

2027-05-31

Last updated by the study team

2026-05-14

Who can join

Age: 18 and older, up to 60. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Be between the ages of 18-60 years old
• Have a typical sleep schedule of <=6 hours per night
• Must have a FitBit device (any model) with Heart Rate Monitor
• Must have bedtime between 8 pm and 1 am
• Must have a waketime between 5 am and 10 am
• Must not have insomnia as determined by diagnosis or score on the Insomnia Severity Index (ISI), or must be treated.
• Must not have sleep apnea as determined by diagnosis or STOP-BANG scale, or must be treated.
• Must have a computer or smartphone device for daily sleep diaries.
• Must have an initial sleep efficiency of at least 85% as determined by sleep diaries and actigraphy.

You may not qualify if…

• Any condition that the PI considers would significantly impede participation in the study.
• Participant is under 18 years of age or older than 60 years of age
• Does not own a FitBit device with Heart Rate Monitor
• Sleep >6 hours per night.
• Typical bedtime before 8 pm or after 1 am
• Typical waketime before 5 am or after 10 am
• Diagnosed with sleep disorders including insomnia or sleep apnea
• Diagnosed mental health disorder which may impact sleep (i.e. Bipolar Disorder)
• Taking medications that may affect sleep.
• Baseline sleep efficiency less than 85%.

Where it is running

• University of Arizona — Tucson, Arizona, United States (enrolling)

Full record on ClinicalTrials.gov

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