Actively Recruiting
Impact of Pistachio Consumption on Sleep
Led by Columbia University · Updated on 2026-02-13
28
Participants Needed
1
Research Sites
89 weeks
Total Duration
On this page
Sponsors
C
Columbia University
Lead Sponsor
A
American Pistachio Growers
Collaborating Sponsor
AI-Summary
What this Trial Is About
Sleep is essential for life and overall health. Unfortunately, a large portion of the population in the U.S. and worldwide experience sleep deficiencies, which increase their risk for developing chronic diseases. These sleep difficulties often cause distress, leading individuals to seek various forms of treatment. Given that some drugs cause habituation and undesirable side effects, individuals often turn to over-the-counter sleep remedies. However, long-term use of over-the-counter treatments is not recommended by the American Academy of Sleep Medicine for insomnia treatment and there is currently no recommendation related to dietary management. There is a strong need to identify natural measures to improve sleep in millions of adults battling poor sleep. Diet is emerging as a potentially important modulator of sleep. Despite observational data linking greater nut intake with better sleep, and that pistachios contain a significant number of sleep-promoting compounds, no study to date has evaluated the impact of pistachio supplementation on sleep. To address this key knowledge gap, the investigators propose to conduct a randomized controlled trial to evaluate the impact of pistachio consumption, relative to a calorie-matched control food, on sleep in middle-aged adults with poor sleep and to explore underlying mechanisms.
CONDITIONS
Official Title
Impact of Pistachio Consumption on Sleep
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Poor sleep quality, Pittsburgh Sleep Quality Index score >5
- Body mass index (BMI) between 20 and 29.9 kg/m^2
- Ability to avoid travel across time zones during the study
- Willingness to eat study foods
- Willingness and ability to stop using vitamin and mineral supplements
You will not qualify if you...
- Premenopausal women
- Medical or living conditions that may affect sleep, including smoking, excessive caffeine intake (>300 mg/day), non-day shift work, chronic pain, or diagnosis of chronic diseases such as uncontrolled hypertension, pre-diabetes, type 2 diabetes, chronic kidney disease, or chronic obstructive pulmonary disease
- Autoimmune diseases, cardiovascular events, or cancer within the past 24 months
- Psychiatric or neurologic diseases or disorders, or diagnosed or high risk for sleep disorders including sleep apnea, chronic insomnia, restless leg syndrome, or narcolepsy
- Allergy or intolerance to nuts or study foods
- Use of medications that affect CYP1A2 enzyme or selective serotonin reuptake inhibitors
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
Columbia University Irving Medical Center
New York, New York, United States, 10032
Actively Recruiting
Research Team
D
Diane Hawkins
CONTACT
J
Joseariel Romero
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
CROSSOVER
Primary Purpose
TREATMENT
Number of Arms
2
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