Circadian rhythm sleep disorders (CRSD)
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Circadian rhythm sleep disorders (CRSD). This manifests as difficulty initiating sleep. Fully referenced neurology checklist.
Delayed sleep phase disorder (DSPD)
- This manifests as difficulty initiating sleep
- It delays the onset of major sleep periods
- Subjects sleep and wake late
- It is especially common in younger people: usually teenagers
- There is a family history in about 40% of cases
Advanced sleep phase disorder (ASPD)
Locked: subscribe to see this section.
Free running
Locked: subscribe to see this section.
Irregular sleep-wake rhythm (ISWR)
Locked: subscribe to see this section.
Jet lag disorder
Locked: subscribe to see this section.
Shift work disorder: features
Locked: subscribe to see this section.
Other causes of CRSDs
Locked: subscribe to see this section.
TreatmentsÂ
Locked: subscribe to see this section.
References
- Bjorvatn B, Pallesen S. A practical approach to circadian rhythm sleep disorders. Sleep Med Rev 2009; 13:47-60.
- Martinez D, Lenz M do CS. Circadian rhythm sleep disorders. Indian J Med Res 2010; 131:141-149.
- Wilson SJ, Nutt DJ, Argyropoulos SV, et al. British Association for Psychopharmacology consensus statement on evidence-based treatment of insomnia, parasomnias and circadian rhythm disorders. J Psychopharmacol 2010; 24:1577-1600.
- Montagna P, Provini F, Plazzi G, et al. Bilateral paramedian thalamic syndrome: abnormal circadian wake-sleep and autonomic functions. JNNP 2002; 73:772-774.
