About this trial
The purpose of this study is to investigate whether the experience of a daily time delay can affect our internal circadian rhythm.
Eligibility criteria
Qualifiers
Healthy adults aged 23-45 years
Part of a heterosexual, cohabiting couple willing to participate together in a five-day in-laboratory study
Both partners meet all inclusion criteria
Completion of at least upper-secondary education
Disqualifiers
Engages in night-shift work or maintains an irregular work or sleep schedule
International travel involving a time-zone change of more than two hours within the past two months, or anticipated travel before study completion
Diagnosed neurological, psychiatric, or sleep disorder (e.g., insomnia, sleep apnea, bipolar disorder)
High risk of sleep apnea, defined as a Berlin Questionnaire score >2 (Lauritzen et al., 2018)
Trial design
Treatments tested in this trial
- Fixed daily routine
- Daily time delay
Treatment groups
Sponsors and collaborators
University of Aarhus
Lead sponsor
Independent Research Fund Denmark
Collaborator