Delayed sleep phase disorder

Delayed sleep phase disorder (DSPD), is a circadian rhythm sleep disorder.

TiredPeople with delayed sleep phase syndrome find it difficult to awaken and fall asleep at socially acceptable times but no problem with sleep maintenance.

Other circadian rhythm sleep disorders include advanced sleep phase disorder (ASPD), non-24-hour sleep–wake disorder (non-24) in the sighted or in the blind, and irregular sleep wake rhythm, and shift work sleep disorder.

DSPD is found more frequently compared to the other circadian rhythm sleep disorders. It is common sleep disorder in teenagers and other younger adults as opposed to ASPD which presents in older individuals.

Presentation of delayed sleep phase disorder

It usually presents in young adults and teenagers as difficulty waking up in the morning, and inability to fall asleep early at night.

Comorbidities of delayed sleep phase disorder

  1. Depression
  2. Attention deficit hyperactivity disorder
  3. Overweight
  4. Obsessive–compulsive disorder

Causes of delayed sleep phase disorder

Multiple factors coming together can cause a CRSD. Some people may have a genetic predisposition to developing a DSPD. Some medical and mental health problems are associated with increased risk for development of delayed sleep phase disorder. The body clock needs appropriately-timed light exposure to work properly.

Signs and Symptoms of delayed sleep phase disorder

 Difficulty falling and or staying asleep and difficulty staying awake on a typical schedule
 Impairment in school, work, social, or other life as a result of sleep problems

Tests and Diagnosis for delayed sleep phase disorder

Because people with these disorders are unable to sleep at the times when they are expected to, they frequently have signs and symptoms of insomnia, but in order for treatment of the insomnia to be successful, the underlying problem with the body clock needs to be detected and addressed as
well. One key difference between insomnia and insomnia with CRSD is that if the person is allowed to sleep on their preferred sleep schedule, they might not have any trouble sleeping.

Treatment of delayed sleep phase disorder

Once diagnosed, your healthcare provider may recommend:
• Lifestyle changes: Adjusting exposure to daylight, making changes in the timing of daily routines, and strategically scheduling naps.

• Bright light therapy: This therapy synchronizes the body clock by exposing the eyes to safe levels of intense, bright light called bright light therapy. Bright light therapy is a very important part of the management of DSPD, however, the proper timing and progression of the light therapy is important and has to be done in consultation with an experienced sleep medicine physician.

Melatonin: Per physician guidance, taking melatonin at precise times and doses may alleviate the symptoms of some DSPD.

Frequently asked questions about delayed sleep phase syndrome

  • What causes DSPS?
  • Is Dspd a disability?
  • What is Parasomnias?
  • What is DPSD?
  • What is advanced sleep phase?
  • How do I reset my internal clock for sleep?
  • How is DSPS diagnosed?
  • What causes delayed sleep phase syndrome?
  • Is Delayed Sleep Phase Syndrome hereditary?
  • Can’t wake up in the morning disease?
  • Can you die in a sleep paralysis?
  • Can humans be nocturnal?
  • What is it called when you sleep during the day?
  • What is sleep Apnoea?
  • What is bright light therapy?
  • What is DSPS college?

If you suspect you may have delayed sleep phase disorder, or any of the 80 different sleep disorders, contact us for a consultation with a board certified sleep physician. Call 718-946-5500.

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