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Can poor sleep make you hurt more? study probes Insomnia's link to pain

NCT ID NCT07827664

Knowledge-focused Sponsor: The Hong Kong Polytechnic University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 18, 2026 · Last updated Sep 18, 2026

Summary

Researchers at The Hong Kong Polytechnic University are investigating how insomnia affects pain sensitivity and the soreness that follows exercise. The study compares healthy adults with insomnia to those without, measuring their responses to heat, pressure, and pinprick stimuli. Participants also perform a hamstring exercise to induce muscle soreness, which researchers track over time. The goal is to understand whether poor sleep makes people more sensitive to pain.

What this could mean

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

Active substance
eccentric hamstring exercise
What this could lead to
If the study finds a link, it could inform sleep-focused strategies to prevent or manage muscle pain.
What could go wrong
This small observational study cannot prove cause and effect, and results may not apply to people with chronic pain or other sleep disorders.

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

Study facts

What this study's own registry entry says, in plain language.

Participants

About 80 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2026

Expected to finish

Aug 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Healthy Adult with or without insomnia

Ages

18 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged 18 to 60 years * Right hand and foot dominant Exclusion Criteria: * History of any chronic musculoskeletal pain or presence of existing pain during recruitment * Previous major injuries or surgery involving the lower limbs * Sleep disorders other than insomnia * Clinically diagnosed psychiatric disorders * Contraindications to vigorous exercise identified through the physical activity readiness questionnaire (PAR-Q) * Work night shifts or rotating shift schedules * Pregnant

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Conditions

The condition(s) this trial relates to.

insomnia Musculoskeletal Pain

As listed by the trial registrant

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

Healthy adult Insomnia Musculoskeletal pain Pain sensitivity

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • the Hong Kong Polytechnic University

    RECRUITING

    Hong Kong, Hong Kong

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