View clinical trials related to Shift-work Disorder.
Filter by:The goal is to investigate if the morningness-eveningness dimension mediates sleep and function on spilt night shifts (midnight-4am and 4am-8am). Does those with high score of morningness function relatively better on the last compared to the first split shift? Participants will: Record their sleep from 2 days prior to 2 days following the split shift During the shifts complete questionnaires assessing mood, sleepiness and perceived performance as well as complete cognitive tests: Psychomotor vigilance test, digit symbol substitution test, working memory scanning test, reversal learning test, and visual search test
Shift work is a well-known risk factor for the development of overweight and obesity, which may lead to downstream effects such as increased risk of cardiometabolic diseases and cancer. However, the biological and behavioral mechanisms underlying the obesogenicity of night shift work are not well understood. Population-based mechanistic studies in real life shift workers are needed to address how night shift work impacts metabolic health. The investigators aim to characterize the behavioural, environmental, and biological mechanisms and pathways for the association of night shift work and obesity across Europe. The investigators will conduct a cross sectional study in 5 European countries (Austria, Denmark, Germany, Netherlands and Poland) and recruit 1000 rotating night shift workers and day workers (200/country) from the health sector and different industries. Night and day workers will be age-frequency (3 age groups), gender and (where possible) working tasks matched. Participants will complete online questionnaires and report their diet habits in a mobile app. Body composition, dietary behavior and sensory preferences will be tested. Biologic specimens (blood, urine, saliva, hair and feces) will be collected at the workplace on a day where participants are working on a day shift (or a day off). In a subsample (Austria and Netherlands) shift workers will provide biological samples (spot blood, urine and saliva) both on a day shift and on a night shift. Biomarkers including hormones, cellular immunity and inflammation, parameters linked to gut health and metabolism of fat and sugar, appetite, oxidative stress, metabolomics and microbiota will be measured. The investigators hypothesize that compared to day workers, night shift workers will experience disrupted levels of pre-obesity markers. Higher circadian disruption, sleep disruption and mistimed eating patterns workers will be associated with more disrupted biomarker profiles. Among rotating shift workers, night shift will be associated with acute disrupted melatonin production, metabolomic profiles and composition of oral microbiota compared to a day shift.
The investigators will conduct an open label, experimental medicine study exploring the acute metabolic impact of night-shift compared to day-shift work in NHS healthcare workers. Employees who are scheduled to work both day and night shifts will be recruited and identical metabolic investigations will be performed in the same participant following at least 3 consecutive day and night-shifts respectively. These investigations will take place at the Clinical Research Unit (CRU) in Oxford Centre for Diabetes, Endocrinology and Metabolism (OCDEM) at Churchill Hospital. The order of post-day and post-night shift investigations will be randomly determined and there will be a 2-week minimum interval between both sets of investigations. Participants will complete a self-reported food diary before and during each set of shifts (both day and night) and will have wrist-watch actigraphy performed throughout the entire study period in order to measure sleep and activity parameters. All study visits and investigations will commence at the CRU at 8am and will include a 2-step hyperinsulinaemic euglycaemic clamp with stable isotope infusions.
The aim is to assess whether a self-help book for coping with shift work will reduce complaints in relation to shift work.
Shift work is associated with disturbed life rhythms resulting from chronic exposure to circadian misalignment and sleep restriction, with long-term participation in most shift schedules causing serious health problems. Epidemiological data show that shift workers are at increased risk of sleepiness, fatigue and insomnia, cardiovascular disease, breast cancer and shift-work disorder. Prevalence estimates of shift-work disorder vary between 5% and 26,5%. Given these widespread and serious health and functional consequences of shift work, there is a necessity for treatments that improve shift workers' health and work performance. Most non-pharmacological recommendations mention improved scheduling, bright-light exposure, napping, psychoeducation fostering sleep hygiene, and cognitive-behavioral interventions. The effects of shift work on the health, fatigue and sleepiness of drivers have been robustly investigated in observational studies, as well as the effects of single measures such as scheduling or resting times. But studies on the effectiveness of countermeasures against the adverse impact of shift work are sparse, especially for high-risk populations such as professional drivers and controlled intervention studies are lacking. Several other investigators expounded the need for a multi-level approach to managing occupational sleep-related fatigue and workplace interventions to promote sleep and health of shift workers. Highlighting the high public-health burden associated with lack of recuperative sleep, the authors pointed out the pressing need to develop policies and implement programs aimed at improving workers' sleep health. With SHIFTPLAN, the investigators aim to fill this gap in comprehensive approaches. To their knowledge, this is the first randomised controlled trial to systematically gauge the effect of a multimodal program that includes ergonomic shift scheduling and an educational program on well-defined health, sleep and performance outcomes in professional drivers.
The purpose of this project is to test sleep reactivity as an independent cause of Shift Work Disorder (SWD). The primary hypothesis is that those with high sleep reactivity will show persistent SWD symptoms after experimental reduction of circadian misalignment, which will then be mitigated with CBT.
The purpose of this study is to examine the effectiveness of a personalized light exposure schedule for Shift Work Disorder (SWD) in night shift workers compared to a non-personalized light exposure schedule.
This study aims to explore dietary factors that influence glycemic control in night shift EMS providers and to test the feasibility of a dietary intervention among these providers.
This study will compare the effects of a whey protein supplement or a placebo consumed before the evening meal on health outcomes in night shift workers.
To identify the health effects of shift work on nurses in Assuit university hospitals . To estimate effect of shift work on co-morbidities among nurses . To determine the shift work associated risk factors predisposing nurses to poor health outcomes and injuries.