Can a lavender sachet help you sleep better?
NCT ID NCT06778876
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested whether sleeping with lavender sachets inside pillows for two weeks could improve sleep quality and reduce insomnia severity in 68 adults diagnosed with psychophysiological insomnia. Participants also kept a sleep diary and received sleep hygiene education. The study measured sleep quality using the Pittsburgh Sleep Quality Index and insomnia severity with the Insomnia Severity Index.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- lavender essential oil (via sachet)
- What this could lead to
- If it works, this could offer a simple, natural way to improve sleep quality for people with insomnia.
- What could go wrong
- This is a small, completed study with no blinding or placebo control, so results may be due to expectation or routine care. Lavender may also cause allergic reactions in some people.
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
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68 people
The number who actually took part.
- Started
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Jan 2025
- Finished
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Sep 2025
- 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
-
18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Being 18 years of age or older, * Being over 65 years old * Being diagnosed with psychophysiological insomnia, * Knowing Turkish at a level that will allow you to read and understand the survey questions, * Accepting to participate in the study Exclusion Criteria: * Having a serious physical or cognitive disability that would prevent him/her from answering the survey, * Being under the age of 18, * Not accepting to participate in the study, * Being allergic to lavender, * Having a chronic additional disease related to the respiratory system, * Having a psychiatric or neurological additional disease, * Using medication(s) that may affect sleep, * Experiencing a physical activity limitation that causes bedriddenness, * Having or contracting a disease that will affect the ability to smell.
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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.
Contacts and locations
Locations
-
University of Health Sciences
Ankara, Keçiören, 06010, Turkey (Türkiye)
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