Status:

NOT_YET_RECRUITING

Dietary Impact on Sleep, Rhythms and Related Physiology

Lead Sponsor:

Uppsala University

Conditions:

Sleep

Diet Interventions

Eligibility:

All Genders

18-32 years

Phase:

NA

Brief Summary

Sleep and metabolism are closely interconnected, and emerging evidence suggests that dietary composition may influence both sleep quality and key physiological functions such as glucose regulation, ca...

Detailed Description

Metabolism is tightly regulated by sleep and interacts bidirectionally with diet. While it is well established that insufficient or disrupted sleep can impair glucose regulation, cardiovascular functi...

Eligibility Criteria

Inclusion

  • Age 18-32 yr
  • Healthy (self-reported) and not on chronic medication
  • BMI 18-27 kg/m2 (and waist circumference \<102 cm), and weight stable (less than 5% body weight change in the past 6 months)
  • Non-smoker and non-nicotine user
  • Regular sleep-wake pattern, with sleep duration of 7-9.25 hrs per night
  • Regular exercise habits the last 2 months
  • Regular daily meal pattern with 3 main meals

Exclusion

  • Major or chronic illness, e.g. diabetes, renal disease or inflammatory bowel disease
  • Current or history of endocrine or metabolic disorders
  • Psychiatric or neurological disorders (e.g. bipolar disorder, epilepsy)
  • Frequent gastrointestinal symptoms
  • Chronic medication
  • Any sleep disorder (including recent or chronic symptoms of insomnia)
  • Shift work in the preceding three months or for a long duration
  • Extreme chronotype or physical activity patterns
  • Time travel over two time zones in the preceding month
  • Too much weight gain or weight loss in the preceding 6 months (±5% body weight in past 6 months)
  • Any issues with or allergies against the provided food items
  • Recent major dietary changes or adoption of specific dietary regimens
  • Women who are pregnant, breastfeeding, or planning to become pregnant during the study period.
  • Use of illicit drugs or substances of abuse

Key Trial Info

Start Date :

September 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 15 2026

Estimated Enrollment :

24 Patients enrolled

Trial Details

Trial ID

NCT07138313

Start Date

September 1 2025

End Date

December 15 2026

Last Update

August 22 2025

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