Delayed Sleep-Phase Disorder

Leon C. Lack, Helen R. Wright, Richard R Bootzin

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Delayed sleep-phase disorder (DSPD) can range from mild to severe and affects not only an individual's sleep but also daytime functioning. A comprehensive assessment is necessary to reliably estimate the degree of circadian-phase delay and thus determine the most effective treatment (morning bright light or chronotherapy). For phase advancing the circadian rhythms and sleep-wake cycle, the recommendation is a schedule of incremental advances of wake-up time and morning bright light as well as low-dose early-evening melatonin administration. It is also important to treat any psychophysiological insomnia with cognitive/behavior therapy. For the more extremely delayed DSPD individual, chronotherapy involving delays of scheduled sleep periods in increments of 2 hours is recommended. Following either type of therapy, maintenance of consistent wake times, exposure to morning light, changes in lifestyle, and improvement of attitudes about morning times are also recommended to help prevent relapse.

Original languageEnglish (US)
Pages (from-to)229-239
Number of pages11
JournalSleep Medicine Clinics
Volume4
Issue number2
DOIs
StatePublished - Jun 2009

Fingerprint

Chronotherapy
Sleep
Light
Sleep Initiation and Maintenance Disorders
Cognitive Therapy
Melatonin
Circadian Rhythm
Life Style
Appointments and Schedules
Maintenance
Recurrence
Therapeutics
Sleep Wake Disorders

Keywords

  • Bright light
  • Circadian rhythms
  • Delayed sleep phase
  • Insomnia
  • Melatonin
  • Period length

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Neuropsychology and Physiological Psychology
  • Clinical Psychology
  • Clinical Neurology

Cite this

Delayed Sleep-Phase Disorder. / Lack, Leon C.; Wright, Helen R.; Bootzin, Richard R.

In: Sleep Medicine Clinics, Vol. 4, No. 2, 06.2009, p. 229-239.

Research output: Contribution to journalArticle

Lack, Leon C. ; Wright, Helen R. ; Bootzin, Richard R. / Delayed Sleep-Phase Disorder. In: Sleep Medicine Clinics. 2009 ; Vol. 4, No. 2. pp. 229-239.
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