Mayo Clinic doctors trained in sleep medicine, including doctors trained in lung and breathing conditions (pulmonary medicine), mental health conditions (psychiatry), brain conditions (neurology) and other areas, evaluate people who have delayed sleep phase.
To diagnose your condition, your doctor may review your family and medical history and conduct a physical examination. Your doctor may order several tests to diagnose your condition or any other related conditions.
- Actigraphy. In this test, you wear a small device that tracks your sleep-wake behavior at home.
- Sleep diary. Your doctor may ask you to keep a sleep diary in which you log your daily sleep and wake times to help show your sleep pattern.
- Polysomnogram. If your doctor suspects you have a different sleep disorder, he or she may order a polysomnogram. In this test, you stay in a sleep center overnight. A polysomnogram monitors your brain activity, heart rate, oxygen levels, eye movements and breathing function as you sleep.
Read more about polysomnography.
July 16, 2014
- Carter KA, et al. Common sleep disorders in children. American Family Physician. 2014;89:368.
- Barkoukis TJ, et al. Therapy in Sleep Medicine. Philadelphia, Pa.: Saunders Elsevier; 2012. http://www.clinicalkey.com. Accessed May 14, 2014.
- Gradisar M, et al. Assessment and treatment of delayed sleep phase disorder in adolescents: Recent innovations and cautions. Sleep Medicine Clinics. In press. May 14, 2014.
- Sack RL, et al. Circadian rhythm sleep disorders: Part II, advanced sleep phase disorder, delayed sleep phase disorder, free-running disorder, and irregular sleep-wake rhythm. Sleep. 2007;30:1484.
- Morgenthaler TI, et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. Sleep. 2007;30:1445.
- Golden AK. Decision Support System. Mayo Clinic, Rochester, Minn. April 24, 2014.
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