delayed sleep phase syndrome


Also found in: Acronyms, Wikipedia.

delayed sleep phase syndrome

A sleep disorder characterised by the inability to fall asleep for several hours after going to bed. Often related to abuse of alcohol or sleeping pills, the condition may respond to bright light therapy administered several hours before bedtime.
References in periodicals archive ?
Mutation in hPER2 has a notable association with advanced sleep phase syndrome, whereas some haplotypes of hPER3 have shown an association with delayed sleep phase syndrome. These conditions arise because of the alterations into casein kinase I[epsilon] (CKI[epsilon]) phosphorylation of the target clock proteins, affecting morningness and eveningness.
Some have speculated that delayed sleep phase syndrome (DSPS) and depression might share genetic susceptibility factors, but preliminary data from an ongoing study suggest this may not be the case, Dr.
He was diagnosed with Delayed Sleep Phase Syndrome, which means his body doesn't know when it's time to rest.
Pathologic sleep conditions such as sleep apnea and delayed sleep phase syndrome have their symptomatic onset in adolescence (11).
This condition, known as delayed sleep phase syndrome (DSPS), often leads to abuse of caffeine and other stimulants upon waking and tranquilizers and alcohol in the nightly struggle to doze off.
Caused most often by shift work and jet lag, some people also routinely have difficulty going to bed before two or three AM and waking up in the morning on time (delayed sleep phase syndrome).
The study found evidence that the hormone does decrease sleep onset latency, but only for those with delayed sleep phase syndrome. There was no evidence that melatonin increases sleep efficiency or is helpful in preventing or treating jet lag or shift-work disorder, said AHRQ Director Carolyn M.
Delayed sleep phase syndrome or night owls find themselves unable to fall asleep 8 hours before they want to get up, leaving them drowsy in the morning and alert in the evenings.
Of the 32 patients in the study, 28 were diagnosed with sleep onset insomnia, 5 had delayed sleep phase syndrome, 4 had sleep-maintenance insomnia, and 2 had a sleep-wake cycle disruption.
H, 26, of Treorchy, Rhondda, has Delayed Sleep Phase Syndrome.