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Sleep loss may worsen heart risks in women, study finds

NCT ID NCT02835261

Knowledge-focused Sponsor: Columbia University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how long-term lack of sleep affects heart health and weight in women. Researchers compared premenopausal and postmenopausal women to see if sleep loss raises blood pressure, blood sugar, and belly fat. The goal was to understand if sleep is more important for heart health at different life stages.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

54 people

The number who actually took part.

Started

Sep 2016

Finished

Feb 2021

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.

Ages

20 to 75 years

Sex

Female participants only

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: * Age 20-75 years old * All racial/ethnic groups * Body mass index 18.5-34.9 kg/m2 * Sleep 7-9 h in bed/night with no daytime nap * Normal scores on: Pittsburgh Quality of Sleep Questionnaire Epworth Sleepiness Scale, Berlin Questionnaire, Sleep Disorders Inventory Questionnaire, Beck Depression Inventory, Composite Scale of Morningness/Eveningness, Three Factor Eating Questionnaire Exclusion Criteria: * Smokers (any cigarettes or ex-smoker \<3 years) * Neurological, medical or psychiatric disorder * Diabetics * Regular use of any medication or supplement * Eating and/or sleep disorders * Contraindications for MRI scanning * Travel across time zones within 4 wk * History of drug and alcohol abuse * Shift worker (or rotating shift worker) * Caffeine intake \>300 mg/d * Oral contraceptive use or hormone replacement therapy * Heavy equipment operators * Commercial long-distance drivers.

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder metabolic disease Obesity obesity disorder sleep disorder

As listed by the trial registrant

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

Cardiovascular disease Obesity Sleep

Contacts and locations

Locations

  • New York Obesity Nutrition Research Center

    New York, New York, 10032, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.