Advanced, delayed, free-running, and irregular sleep–wake rhythm disorders

Author(s):  
Guy Warman ◽  
Josephine Arendt

This chapter provides an overview of the incidence, presentation, assessment, diagnosis, and management of the four main circadian rhythm sleep disorders: advanced sleep phase disorder (ASPD), delayed sleep phase disorder (DSPD), free-running (non-24-hour) sleep disorder (FRSD), and irregular sleep–wake rhythm disorder (ISWRD). Following a brief discussion of the daily entrainment of the human circadian clock to the light cycle, and the shifting effects of light and melatonin on the clock, each of the four different disorders are considered in turn. The aim of this chapter is to provide a concise overview of the disorders and the potential treatment strategies for each. The chapter is extensively referenced for further information.

SLEEP ◽  
2007 ◽  
Vol 30 (11) ◽  
pp. 1484-1501 ◽  
Author(s):  
Robert L. Sack ◽  
Dennis Auckley ◽  
R. Robert Auger ◽  
Mary A. Carskadon ◽  
Kenneth P. Wright ◽  
...  

Author(s):  
Russell G. Foster ◽  
Leon Kreitzman

While time of day, interacting with an individual’s chronotype, can have an important impact upon performance and health, severe disruption of the circadian system adds another level of complexity and severity. ‘When timing goes wrong’ considers the effects of flying across multiple time zones, resulting in jet lag, and shift work on human health. Sleep and circadian rhythm disruption is almost always associated with poor health. Four circadian rhythm sleep disorders have been identified: advanced sleep phase disorder, delayed sleep phase disorder, freerunning, and irregular sleep timing. Sleep and circadian rhythm disruption in mental illness and neurodegenerative disease is also discussed.


SLEEP ◽  
2010 ◽  
Vol 33 (12) ◽  
pp. 1605-1614 ◽  
Author(s):  
Ingeborg M. van Geijlswijk ◽  
Hubert P. L. M. Korzilius ◽  
Marcel G. Smits

2013 ◽  
Vol 09 (09) ◽  
pp. 939-944 ◽  
Author(s):  
Nicole Lovato ◽  
Michael Gradisar ◽  
Michelle Short ◽  
Hayley Dohnt ◽  
Gorica Micic

2019 ◽  
Vol 64 ◽  
pp. 15-22 ◽  
Author(s):  
Koen Montie ◽  
Laury Quaedackers ◽  
Vera Perlitius ◽  
Els van der Horst ◽  
Nele Vandenbussche ◽  
...  

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