Sleepless nights may spike blood pressure, study warns
NCT ID NCT07489417
First seen Jun 27, 2026 · Last updated Jul 29, 2026 · Updated 2 times
Summary
This study looks at what happens to blood pressure when healthy adults sleep only 4 hours a night. Researchers will compare normal-weight and obese participants to see if lack of sleep affects their blood pressure differently. The goal is to better understand the link between sleep and heart health.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Sleep restriction (behavioral intervention)
- What this could lead to
- If it works, this could help us understand how lack of sleep raises blood pressure, pointing toward ways to prevent heart problems.
- What could go wrong
- This is a small, early-stage study (45 people) looking at short-term effects, not a treatment. Results may not apply to everyone, and sleep restriction itself can cause tiredness and stress.
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
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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
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About 45 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 45 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Healthy adult men and women * 18-45 years of age * BMI \< 25 kg/m² (normal weight group) or ≥ 30 kg/m² (obesity group) * Non-pregnant, non-breastfeeding, and non-nicotine users * Self-reported history of normal sleep duration (7-9 hours/night) and bedtime prior to midnight * Premenopausal Exclusion Criteria: * No acute or chronic conditions * Taking no medications known to affect sleep, autonomic, metabolic, or cardiovascular function * Self-reported history of irregular sleep * Self-reported history of hepatic, renal, pulmonary, cardiovascular, or neurological disease, stroke or neurovascular disease, bleeding/clotting disorders, sleep apnea or other sleep disorders, diabetes, history of alcoholism or substance abuse, major cardiovascular event or surgical procedure within the past three months, or hypertension
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Missouri
RECRUITINGColumbia, Missouri, 65211, United States
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