The Effect of a Continuous 1-Hour Time Delay on Circadian Rhythms

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age23-45
SponsorUniversity of Aarhus

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

40 Participants
are divided into 2 treatment groups

Sponsors and collaborators

University of Aarhus

Lead sponsor

Independent Research Fund Denmark

Collaborator