Ireland
--:--IST
Recruiting Not applicable

Saffron Extract Supplementation and Sleep Quality in Middle-Aged Adults

NCT07497698 · tracked via the Priya Life Science Spain tracker
Phase
Not applicable
Started
2026-03-01
Last updated
2026-04-13

Condition(s) studied

Sleep

Investigational drug(s) / intervention(s)

Saffron ExtractDietary Supplement: Placebo

Saffron Extract: Participants will receive 30 mg/day of standardized saffron extract (≥3% crocins; ≥2% safranal) for six weeks. Capsules will be taken once daily, one hour before bedtime.

Dietary Supplement: Placebo: Participants will receive identical capsules containing maltodextrin and excipients for six weeks, taken once daily one hour before bedtime.

Study summary

This randomized, triple-blind, placebo-controlled clinical trial aims to evaluate the effects of daily saffron extract supplementation (30 mg/day) for six weeks on objective and subjective sleep quality in middle-aged adults with mild-to-moderate sleep disturbances. Secondary outcomes include heart rate variability, cognitive processing speed, emotional state, perceived health status, and biochemical stress markers.

Eligibility

Sex
ALL
Min age
18 Years
Max age
65 Years
Healthy volunteers
Accepted
Inclusion Criteria: * Age 18-65 years * Mild-to-moderate sleep disturbances * BMI between 18 and 35 kg/m² * Not receiving active pharmacological or psychological treatment for sleep disorders * Willingness to comply with study procedures Exclusion Criteria: * Severe neurological, psychiatric, or cardiovascular disorders * Diagnosed with obstructive sleep apnea, treated with CPAP * Night shift workers * Use of medications or supplements affecting sleep * Recreational drug use * Pregnancy or breastfeeding * Uncontrolled medical conditions

Primary outcome measure(s)

  • Objective Sleep Efficiency (%) — Baseline and Week 6
    Measured by wrist actigraphy over 14 consecutive days before intervention and during weeks 5-7 of supplementation.

Trial sites (1)

FacilityCityRegionStatus
Universidad de Granada Granada Granada Recruiting
Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07497698 on ClinicalTrials.gov ↗ ← All trials in Spain