The effect of Melatonin for sleep and function of shift workers
- Conditions
- Sleep disorder.Sleep disorders not due to a substance or known physiological condition
- Registration Number
- IRCT20090117001556N153
- Lead Sponsor
- Department of Health, Rescue and Treatment of I.R.Iran Police Force, Applied Research Center
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 70
Being a resident physician with night shift work
Age between 25 and 55 years
Working at least seven night shifts in the past month
Having an schedule to work at least seven night shifts during the study month
Complaining about sleep disturbance after shift work and poor sleep quality (Cut-off value greater than 4 in shortPSQI)
Complaining about sleep disturbance during normal sleeping hours (always and not related to the night shift)
Pregnancy, breastfeeding or intention to become pregnant in female participants
History of sensitivity or side effects after taking melatonin and its agonists
History of thyroid, cardiovascular, kidney, and endocrine diseases and psychiatric disorders (except sleep disorder)
Working less than six night shifts during the study month
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Sleep Quality. Timepoint: Baseline, Week 1, and Week 4. Method of measurement: Short Pittsburgh Sleep Quality Index.
- Secondary Outcome Measures
Name Time Method Occupational Cognitive Failure. Timepoint: Baseline, Week 1, and Week 4. Method of measurement: Occupational Cognitive Failure Questionnaire.;Side effects. Timepoint: Baseline, Week 1, Week 4, and whenever the participant experiences a complication, by phone. Method of measurement: Checklist of side effects in which the side effects of melatonin are clearly reported, and it is possible for the participant to report other side effects that are not included in it.