The most recent consensus of the American Academy of Sleep Medicine is that parasomnias are “undesirable physical events or experiences that occur during entry into sleep, within sleep or during arousals from sleep” (1). Parasomnias are often considered to be normal sleep phenomena, especially in children, and do not in general have a serious impact on sleep quality or quantity. However, in som...

Fighting fires and fatigue [2] This PhD began at the Bushfire CRC and was completed in 2016. Firefighters were recruited from across Australia to help gather important data on sleep behaviour during multi-day deployments. The results are important in managing firefighter health and safety, with this research contributing some of the first data about the sleep quantity and quality that firefight...

 sleep problems are prevalent currently and involve deficits in quality or quantity of sleep . Todays by the rapid growth in technology and a high increase the production of industrial complexes and also inauguration round-the-clock centers such as hospitals, shiftwork has become an indispensable part of many occupational activities. This study aimed to evaluate the association between shi...

1615 Sleep Patterns and Deployment to Iraq and Afghanistan—Seelig et al ACCORDING TO A 2008 REPORT FROM THE NATIONAL SLEEP FOUNDATION, AMERICANS ARE WORKING MORE AND SLEEPING LESS, WITH THE AVERAGE work day lasting 9 hours 28 minutes and time in bed only 6 hours 55 minutes.1 The US military is at particularly high risk for sleep disturbances due to hazardous working conditions, inconsistent wor...

There are many factors that can influence an individual’s sleep pattern and quantity and quality of sleep. These factors can be cultural, social, psychological, behavioural, pathophysiological and environmental. Sleep patterns can also be influenced by society and by changes within society. In recent times we have seen the introduction of longer working hours, more shift-work and 24-7 availabil...

ii Abstract (in Finnish) iiiin Finnish) iii

The melatonin receptor 1B, encoded by the MTNR1B gene, is a member of the melatonin receptor family expressed in many tissues, including pancreatic islets (1). Single nucleotide polymorphisms in MTNR1B have been revealed to be associated with increased blood glucose levels and type 2 diabetes (T2D) incidence according to several genome-wide association studies (GWAS) (2,3), and some of the vari...

STUDY OBJECTIVE Subjective and objective assessments of sleep may be discrepant due to sleep misperception and measurement effects, the latter of which may change the quality and quantity of a person's usual sleep. This study compared sleep times from polysomnography (PSG) with self-reports of habitual sleep and sleep estimated on the morning after a PSG in adults. DESIGN Total sleep time and...