risicofactoren voor metabole aandoeningen, alertheid Metabolic health Sleep
Conditions
Interventions
All participants, including those in the control arm, receive advice on general
sleep hygiene. In addition, participants in the split sleep intervention
receive advice on how to split their daytime
Sponsors
Erasmus MC, Universitair Medisch Centrum Rotterdam
Eligibility
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: • Age 18 to 60 years. • Work at least 3 night shifts a month on average. Night shift defined as work at least 3 hours between 0:00- and 6:00. • Work generally at least 2 night shifts in a row • Work >= 20 hours per week. • History of >= 0.5 year of working night shifts prior to the study. • Expected to remain working night shifts for >= 1 year from inclusion in the study.
Exclusion criteria
Exclusion criteria: • Taking medication that the investigator believes would interfere with the objectives of the study. For example, sleep medication or supplements like melatonin. • Pregnant or having a wish to become pregnant during the study period. • • Using powernaps during, or split-sleep strategies during or prior to, >=50% of the night shifts (prior to the study start).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcomes are the quantity of sleep and alertness during night shifts. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcomes include quality of sleep, and a set of relevant clinical biomarkers (of metabolic health and anthropometrics). The outcomes will be compared between intervention and control group, pre- and post-intervention. | — |
Countries
Netherlands
Outcome results
None listed