NW Sleep Center

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Dr. Neal Daniel, Dr. Jay Thomas Heidecker, Dr. James H. Strickland, Jr., Dr.

Northwest Medical Center Sleep Lab and Northwest Sleep and Pulmonary Clinic welcome Dr. Neal Daniel, Dr. Jay Thomas Heidecker and Dr. James H. Strickland, Jr. to Northwest Medical Center. These physicians will be seeing patients in our Sleep and Pulmonary Clinic on a rotating basis each Wednesday. If you need help with any sleep-related condition be sure to contact the clinic for an appointment. 

Sleep Lab Tests Performed:

PSG - Polysomnography, also called a sleep study, is a test used to diagnose sleep disorders. Polysomnography records your brain waves, the oxygen level in your blood, heart rate and breathing, as well as eye and leg movements during the study.


Your doctor may recommend polysomnography if he or she suspects you have:

  • Sleep apnea or another sleep-related breathing disorder. In this condition, your breathing repeatedly stops and starts during sleep.
  • Periodic limb movement disorder. In this sleep disorder, you involuntarily flex and extend your legs while sleeping. This condition is sometimes associated with restless legs syndrome.
  • Narcolepsy. You experience overwhelming daytime drowsiness and sudden attacks of sleep in this condition.
  • REM sleep behavior disorder. This sleep disorder involves acting out dreams as you sleep.
  • Unusual behaviors during sleep. Your doctor may perform this test if you do unusual activities during sleep, such as walking, moving around a lot or rhythmic movements.
  • Unexplained chronic insomnia. If you consistently have trouble falling asleep or staying asleep, your doctor may recommend polysomnography.

CPAP Titration Studies:

During the titration, the patient wears a mask and CPAP pressures are trialed up and down during sleep to find a single best pressure delivery and setting to control apnea events. Apneas can occur with different levels of severity during the varying sleep stages, body and sleeping position and other factors. This is why you are asked to sleep on your back, sides and stomach during the titration. The titration should include enough time to allow you to cycle through the sleep stages. Once a patient has been diagnosed and begins CPAP therapy, follow up and aftercare should include routine titrations. It is common for patients to need pressure changes during their years of CPAP therapy.

MSLT: The multiple sleep latency test (MSLT) tests for excessive daytime sleepiness by measuring how quickly you fall asleep in a quiet environment during the day. Also known as a daytime nap study, the MSLT is the standard tool used to diagnose narcolepsy and idiopathic hypersomnia.

MWT: The Maintenance of Wakefulness Test (MWT) is used to measure how alert you are during the day. It shows whether or not you are able to stay awake for a defined period of time. This is an indicator of how well you are able to function and remain alert in quiet times of inactivity.

The test is based on the idea that your ability to stay awake may be more important to know in some cases than how fast you fall asleep. This is the case when the MWT is used to see how well a sleep disorders patient is able to stay awake after starting treatment. It is also used to help judge whether a patient is too tired to drive or perform other daily tasks.

The MWT may be used to evaluate how well a person with a sleep disorder is able to stay awake. This is critical when the person’s job involves public transportation or safety. The results of the test will be only one factor used to assess the potential risk of a work-related accident.

HST or Home Sleep Test: Due to convenience and some insurance requirements, we offer home sleep apnea testing. If your physician orders this test, you will still come to the sleep center to have your device set up. Physicians usually recommend in-house studies if at all possible.

Northwest Sleep and Pulmonary Clinic sees patients with the following conditions:

  • Sleep apnea or other sleep related disorders
  • Narcolepsy
  • Periodic Limb Disorders
  • Unexplained chronic insomnia
  • COPD
  • Asthma
  • Lung infections such as pneumonia
  • Sarcoidosis
  • Bronchitis
  • Bronchiectasis
  • Pulmonary Fibrosis
  • Pulmonary Hypertension
  • Pulmonary Edema – abnormal build-up of fluid in the lungs
  • Pulmonary Embolus

If you are experiencing any type of sleep or pulmonary disorder, you can get the treatment you need, close to home. Call Northwest Sleep and Pulmonary Clinic at 205-487-7177.