Circadian Rhythm Disorder

A Leader in Circadian Rhythm Disorder Treatment

Norton Sleep Center is a leader in treating circadian rhythm disorders, such as delayed phase syndrome and shift work disorder, for Louisville and Southern Indiana patients. Circadian rhythm sleep disorders can happen when there is a disruption of internal sleep-wake rhythms and the light-darkness cycle. Those experiencing this disorder typically have insomnia, excessive daytime sleepiness or both.

Living with a sleep disorder can disrupt your day and leave you feeling sluggish physically and mentally. Our team treats many types of circadian rhythm disorders including jet lag, shift work, delayed sleep phase syndrome (DSPS) and advanced sleep phase syndrome (ASPD). 

Patients undergo testing in our state-of-the-art sleep labs. Then our physicians certified by the American Academy of Sleep Medicine (AASM) develop a comprehensive diagnosis to reset the patient’s internal body clock through treatments that can include high-intensity light therapy or medical therapies such as melatonin. Treatment options usually depend on the cause of the disruption of your sleep cycle.

Innovators in Sleep Medicine

Norton Sleep Center is an innovator in sleep medicine research, diagnosis and treatment, and has been for more than 40 years in the Louisville area. Our team was one of the first to diagnose and treat circadian rhythm disorder. Our board-certified and fellowship-trained specialists have the experience to pinpoint the cause of your sleep issues and provide the right treatment to help overcome circadian rhythm disorder.

We have a highly experienced group of sleep physicians in Kentucky certified by the AASM. David H. Winslow Jr., M.D., pulmonologist and sleep medicine specialist with Norton Sleep Center, was one of the first certified sleep medicine doctors. His groundbreaking work in sleep medicine has established Norton Sleep Center as a premier provider for treatment of sleep disorders.

Norton Sleep Center: Comprehensive Care That Fits Your Schedule


Norton Sleep Center locations are staffed with fellowship-trained and board-certified physicians and sleep technologists who are experienced in diagnosing and treating a variety of sleep disorders.

  • All locations are accredited by the American Academy of Sleep Medicine — the gold standard for evaluating sleep medicine services.
  • We offer home sleep studies, inpatient sleep testing and a full suite of treatment options.
  • Our state-of-the-art sleep labs offer private, comfortable testing suites with full- or queen-size beds and showers. Sleep studies can be scheduled seven nights a week.
  • Our team of providers has more than 200 years’ collective experience diagnosing and treating sleep disorders.
  • We have four convenient locations: Norton Audubon Hospital campus, Norton Brownsboro Hospital campus, Pleasure Ridge Park and on Newburg Road.
  • We work with patients in the transportation industry and the U.S. Department of Transportation to assist with required verifications to show sleep therapy compliance.
  • Our physicians specialize in diagnosing sleep disorders and giving you a personalized treatment plan.
  • Our sleep apnea treatment experience includes continuous positive airway pressure (CPAP) and bilevel positive airway pressure (BiPAP), CPAP alternatives such as oral devices, and Inspire upper airway stimulation.
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