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The impact of light intensity during night shifts on circadian adaptation. Each year, the sleep loss and body clock disruption caused by night work cost the Australian economy $2–3 billion in lost productivity, impaired well-being, and poor health. Current regulations limit sequences of night shifts to a maximum of four in a row. However, recent research suggests that this blanket limit may be a well-intentioned, but ill-informed, policy. As a result, we may be inadvertently increasing, rather t ....The impact of light intensity during night shifts on circadian adaptation. Each year, the sleep loss and body clock disruption caused by night work cost the Australian economy $2–3 billion in lost productivity, impaired well-being, and poor health. Current regulations limit sequences of night shifts to a maximum of four in a row. However, recent research suggests that this blanket limit may be a well-intentioned, but ill-informed, policy. As a result, we may be inadvertently increasing, rather than reducing, work-related fatigue. This project will determine whether longer sequences of night shifts may reduce sleep loss and body clock disruption in some workplaces. The project will provide the evidence base for a more nuanced approach to fatigue regulation and a safer workplace for Australian shiftworkers. Read moreRead less
I sleep, therefore I can: Using sleep strategically to cope with night work. The aim of the project is to identify sleep strategies that shiftworkers can use to minimise cognitive impairment during night shifts. More than one million Australians regularly work at night. In the second half of night shifts, the combination of sleep loss, extended wake, and time of day causes a level of cognitive impairment similar to that associated with a blood alcohol concentration of .05 per cent. The project a ....I sleep, therefore I can: Using sleep strategically to cope with night work. The aim of the project is to identify sleep strategies that shiftworkers can use to minimise cognitive impairment during night shifts. More than one million Australians regularly work at night. In the second half of night shifts, the combination of sleep loss, extended wake, and time of day causes a level of cognitive impairment similar to that associated with a blood alcohol concentration of .05 per cent. The project aims to investigate whether the timing of daytime sleep episodes between consecutive night shifts can be manipulated to increase the duration of sleep and/or reduce the length of wake prior to work. The strategies could then be translated into policy and practice to reduce the economic and social costs associated with night work.Read moreRead less
Sleepy and sitting: a dual curse for the modern workforce? This project aims to generate new knowledge about the impact of inadequate sleep and prolonged sitting on health markers and performance. Many workers, particularly those working outside standard hours, experience both prolonged sitting and inadequate sleep. Expected outcomes of this project include critical evidence to address the dual burden experienced by a large population of workers who are both sleepy and sitting. This should provi ....Sleepy and sitting: a dual curse for the modern workforce? This project aims to generate new knowledge about the impact of inadequate sleep and prolonged sitting on health markers and performance. Many workers, particularly those working outside standard hours, experience both prolonged sitting and inadequate sleep. Expected outcomes of this project include critical evidence to address the dual burden experienced by a large population of workers who are both sleepy and sitting. This should provide significant benefits for the many working Australians whose health and safety is compromised due to their exposure to inadequate sleep and prolonged sitting. It will also contribute to the evidence-base for workplace policies and public health guidelines.Read moreRead less
Should we go halves? The impact of split work-rest schedules on sleep and cognitive performance. The purpose of this project is to determine whether it is better to have one long sleep or two shorter sleeps each day. The results of the project will inform the development of work schedules for industries and/or situations where it may be appropriate to work more than one shift per day (such as fly-in fly-out, emergency response).
Sleeping with one ear open: the impact on sleep and waking function. The aim of the project is to assess the impact 'on-call' work has on sleep, stress, and next day performance. Two million Australians are on-call providing essential 24-hour services including emergency response. While sleep during on-call periods is disrupted when a call occurs, some research suggests that sleeping with one ear open waiting for a call may disrupt sleep even if no call occurs. If on-call sleep is less restorati ....Sleeping with one ear open: the impact on sleep and waking function. The aim of the project is to assess the impact 'on-call' work has on sleep, stress, and next day performance. Two million Australians are on-call providing essential 24-hour services including emergency response. While sleep during on-call periods is disrupted when a call occurs, some research suggests that sleeping with one ear open waiting for a call may disrupt sleep even if no call occurs. If on-call sleep is less restorative, then individuals are at risk of performance impairment and adverse health outcomes. This project aims to answer questions about the magnitude of sleep disruption when on-call, the mechanisms for any disruption, and impact on waking function.Read moreRead less