Sleep Revolution

Lifestyle Study – Long-term Study

We are looking for participants in scientific research.

Participants : All genders, in the age range of 18-50 years

Inclusion criteria are a BMI ≥ 25, physical inactivity, snores or has strong suspicion of mild sleep apnea. Shift workers cannot participate.

If you are interested to participate, please answer the following screening questionnaire:

Please read the text below to make sure this study is something for you:

All chosen participants will be asked to wear a smartwatch and fill in a sleep diary for 2 weeks prior to the intervention period to get a baseline. Participants that fulfil the inclusion criteria of the study will be chosen from the people that have answered the screening list (will be sent individually)

There will be 5-8 visits (depending on groups) that will take place at Reykjavik University (RU), the study spans a 12-week period.

This project aims at finding new approaches to treat snoring to mild sleep apnea with a lifestyle intervention. The data will be collected at Reykjavik University (RU) using sleep studies, a digital sleep diary, different neurocognitive tasks, questionnaires, a smartwatch, as well as body composition and physical fitness measurements.

The participants will possibly be asked to:

  • Answer questionnaires
  • Use a smartwatch over a short period
  • Keep a digital sleep diary
  • Take a digital attention and vigilance test
  • Have their height, weight, body composition and physical fitness measured
  • Possibly take part in an exercise program
  • Participation is free of charge.

All the participants will receive a letter with their results regarding sleep and whether the measurement indicates sleep apnea or another sleep disorder, upon request. If the results of the sleep study are considered to require further examination due to a possible sleeping disorder, it will be advised to consult a doctor and seek appropriate treatment within the healthcare system.

If you are interested to participate, please answer the following screening questionnaire:

If you have further questions regarding participation, please contact us by e-mail: Individuals who participate can withdraw from the study at any time without explanation.

The guarantor for the project is Erna Sif Arnardóttir, Assistant Professor, Reykjavik University

The study has received permission from The National Bioethics Committee and The Data Protection Authority (VSN 22-082)

Download the information letter for participants in English or Icelandic here:

Lifestyle_Information letter for participants_ENG


This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no. 965417