Resumen

GIMENEZ BADIA, Sandra et al. Delayed sleep wake phase disorder (DSWPD). Rev Pediatr Aten Primaria [online]. 2016, vol.18, n.71, pp.e129-e139. ISSN 1139-7632.

Delayed sleep wake phase disorder (DSWPD) or delayed sleep phase disorder is the most frequent circadian rhythm sleep disorder and is commonly seen in adolescents.

DSWPD is characterized by habitual by sleep onset and wake times that are usually delayed more than two hours relative to conventional sleep-wake times

Clinically, affected subjects experience difficulty falling asleep and arising at socially acceptable wake time.

Enforced conventional wake times (during the school or working days), may result in

chronically insufficient sleep manifested as excessive daytime sleepiness, fatigue, repetitive school absences with negative impact on their attention and academic performance. When allowed to follow their preferred schedule (during the weekends or vacation periods), the patient's timing of sleep is delayed with normal and restoring sleep.

It is very important to make an early diagnosis to initiate treatments that minimize consequences of DSWPD. Although their repetitive attempts to adapt to conventional times, their difficulties to maintain regular school or work timings leads these adolescents to be seen as lazy and not motivated, which usually results in an increase in mood disorders and drug abuse.

Delay sleep phase is demonstrated by sleep log, actigraphy monitoring and in the timing of other circadian rhythms. Sleep hygiene, chronotherapy, bright light therapy or melatonin administration are the most habitual treatment of the DSWPD.

Palabras clave : Delayed sleep wake phase disorder; Circadian rhythm disorder; Adolescents; Insomnia; Diurnal sleepiness.

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