Shift Work Intervention Strategies for Night Shift Workers

Inclusion Criteria: * Age 18 to 60 years. * Work at least 4 night shifts a month on average. * Shift workers, working rotating shifts (morning, evening and night shifts) or working predominantly night shifts. Night shift defined as work at least 1 hours between 0:00- and 6:00. * Work at least 2 night shifts in a row * Work ≥ 20 work hours per week. * Having a shift duration of 6 h-12 h. * History of ≥ 1 year of working rotating shift work or night shifts prior to the study. Exclusion Criteria: * Taking medication that the investigator believes would interfere with the objectives of the study. For example, sleep medication, medication that interferes with glucose homeostasis, and/or anti-inflammatory drugs. * Pregnant or have a wish to become pregnant during the study period. * Planned surgery during the entire study period Alcohol consumption \> 21 units/week * Severe psychiatric disease and/or any mental or physical disability that will hinder participation in the interventions * Severe cardiovascular disease, to the discretion of the study doctor * Having a chronic inflammatory disease, including asthma, rheumatic fever, irritable bowel disease, chronic obstructive pulmonary disease. * Other bowel diseases, including Chron's disease and Colitis Ulcerosa. * A disease or condition with higher bleeding risk (/risk of hemorrhage), under which a blood sample may lead to complications. * Participation in any clinical trial including blood sampling and/or administration of subs…