The various non-standard schedules required of shift workers force abrupt changes in the
timing of sleep and light-dark exposure. These changes result in disturbances of the …

The interest in the systematic study of the circadian typology (CT) is relatively recent and has
developed rapidly in the two last decades. All the existing data suggest that this individual …

PURPOSE: To characterize sleep patterns and predictors of poor sleep quality in a large
population of college students. This study extends the 2006 National Sleep Foundation …

What is the little button for? This button is pushed at bedtime and awake time to let the
research know what time you went to bed and got up. This button can also be used with the …

Sleep/wake timing shifts later in young humans during the second decade of life. In this
review we describe sleep/wake patterns, changes in these patterns across adolescence …

The use of animals as models of human physiology is, and has been for many years, an
indispensable tool for understanding the mechanisms of human disease. In Parkinson's …

The focus of this article is to review several commonly used methods for the assessment of
circadian rhythms as it relates to circadian rhythm sleep-wake disorders (CRSWDs). 1 It also …

Objective: This the first of two articles reviewing the scientific literature on the evaluation and
treatment of circadian rhythm sleep disorders (CRSDs), employing the methodology of …

Study Objectives: To provide guidelines for collecting and analyzing urinary, salivary, and
plasma melatonin, thereby assisting clinicians and researchers in determining which …

“Permanent” or “fixed” night shifts have been argued to offer a potential benefit over rotating
shift systems in that they may serve to maximize circadian adjustment and hence minimize …