12 Clinical Trials for Various Conditions
Sleep is often a challenge for nightshift workers because their work and sleep schedules are inverted. Sleep is commonly measured using actigraphy, which is the standard measure of objective sleep in the general population; however, this method has substantial limitations for nightshift workers because the standard legacy algorithms only correctly identify 50.3% of daytime sleep. This significantly reduces the validity for nightshift workers. The purpose of this study is to test a novel method to expand actigraphy by using 1) a multi-sensor approach that 2) uses machine learning (ML) algorithms to increase the accuracy of detecting daytime sleep.
The goal of this project is to establish the evidence base for equitable accessibility and implementation of the precision sleep medicine mobile application, SHIFT.
The overarching goal of this research study is to determine "proof of concept" of effect of a non-invasive sleep aid device on sleep and performance during sleep opportunities (naps) that occur during and after simulated night shift work. Aim 1: To determine the effect of the ApolloNeuro device on sleep duration, sleep architecture, blood pressure, heart rate variability, and subjective ratings of sleep quality during and after simulated night shift work. Aim 2: To determine the effect of the ApolloNeuro device on post-sleep psychomotor performance.
People who experience repeated bouts of circadian misalignment, such as shift workers, are at higher risk of cardiovascular disease (CVD) and Type 2 diabetes (T2D) compared to daytime workers. However, the mechanism(s) by which shift work and associated circadian misalignment increase CVD and T2D risk are unknown. This project will examine whether elevated plasma lipids are a mechanism by which circadian misalignment impairs vascular function, insulin sensitivity, glucose homeostasis and muscle lipid accumulation, which could be targeted to prevent and treat cardiometabolic disease in people who chronically experience circadian misalignment, which includes more than 20% of the US workforce.
This study will determine whether nurses regularly working night shifts have elevated 24-hour glucose levels compared to nurses regularly working day shifts, using continuous glucose monitoring (CGM).
Cardiovascular disease (CVD) and CVD risk factors such as high blood pressure (BP) are disproportionately higher among night shift workers, including those who work in public safety and healthcare. The purpose of this pilot study is to assess feasibility of collecting data germane to key indicators of cardiovascular health (i.e., ambulatory blood pressure) repeatedly during a simulated night shift protocol. The primary outcome measure will be the number of participants for which at least 70% of required ambulatory BP measures were collected. A result of at least 10 participants/subjects will be considered feasible.
The purpose of this study is to test how the skin of night shift workers responds to artificial sunlight (ultraviolet B radiation; UVB) at two different times of the day in comparison to normal day shift workers. After the skin biopsies are obtained, they will be brought to the laboratory to be exposed to UVB radiation and to measure UVB responses.
In this randomized controlled trial, the investigators will assess the health impacts of optimizing the timing of dietary consumption in nurses and nursing assistants who work night shifts, have a habitual eating window of 14 hours or more, and elevated weight. Participants will be randomized to one of three groups: (1) dietary monitoring, (2) dietary monitoring plus 10-hour daytime time-restricted eating (TRE), or (3) TRE with a low-glycemic snack during night shifts. The study includes a 2-week screening/baseline health assessment, with follow-up health assessments at 3-, 6- (primary outcome), and 12 months.
The goal of this clinical trial is to test whether our dietary intervention can prevent or lessen the negative health effects of night shift work in healthy participants. Participants will: * complete 2 inpatient stays * be provided with identical meals * have frequent blood draws * provide urine, saliva, stool and rectal swab samples
The specific aim of this observational study is to characterize changes in bone turnover makers (BTMs), bone mineral density (BMD), and bone microarchitecture in a cohort of nurses during their first year of night compared to day shift work. The hypothesis is that night shift nurses will have poorer bone health indices at one year compared to day shift nurses.
This small intervention study will determine if simulated short-term night shift work (NSW) negatively alters bone metabolism. The specific aim of the study is to determine if NSW acutely uncouples bone turnover markers (BTMs), if sympathetic tone is a mechanism for this disruption and if a resumption of a normal sleep/wake pattern reverses BTM uncoupling. Our hypothesis is that NSW will reversibly uncouple BTMs via increased sympathetic nervous system (SNS) tone.
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.