Hancock County Memorial Hospital

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Sleep Lab

When was the last time you had a good night’s sleep?

The Sleep Disorder Lab at Hancock County Memorial Hospital in Britt is used to diagnose patients with sleep-related disorders.

The study itself is an overnight procedure designed to monitor and record the various changes in your body while you sleep. Brain waves, muscle activity, body position, breathing, and oxygen levels in the blood are some of the changes that are monitored.

The Sleep Disorder Lab at HCMH is staffed and equipped to perform your sleep study. The results are linked directly to the Sleep Disorder Lab at Mercy Medical Center—North Iowa.

The Sleep Disorder Lab is supervised and run by professionals experienced in sleep-related disorders. In addition, consultation with other specialists such as Neurologists, Cardiologists, Pulmonologists, Psychiatrists, Psychologists, Otolaryngologists, Respiratory Therapists and Dieticians also are available.

What kinds of sleep problems does the Sleep Lab diagnose?

  • Sleep apnea and snoring is a condition in which a person is unable to breathe properly during sleep.
  • Narcolepsy is a condition in which people fall asleep at inappropriate times.
  • Insomnia is difficulty falling asleep or staying asleep during the night.
  • Parasomnia disorders are sleep-related disorders such as sleepwalking, bedwetting, or night-terrors that affect both children and adults.
  • Restless leg syndrome occurs when a person experiences an excruciating restlessness or a crawling feeling in the legs when trying to sleep.
  • Nocturnal myoclonus occurs when a person’s arms and legs move regularly while they sleep, sometimes awakening them.
  • Oxygenation problems often worsen during sleep in people with chronic breathing problems or lung disease. Measurement of blood oxygenation during sleep is helpful in treatment of such respiratory problems.

How do I become a patient?

If you think that you may have a sleep-related disorder, consult your personal health care provider. Your provider will decide if a sleep study should be performed.

During the sleep study, you will spend a night in a comfortable, private room at HCMH. Sensors will record the activity of your heart, breathing, body movements, and monitor your sleep patterns.

The Sleep Lab may also provide CPAP (Continuous Positive Airway Pressure), a device that will keep your air passage open and help you breathe.

The Mercy Sleep Lab staff will analyze your sleep recordings and send a written report of the findings and recommendations to your health care provider.

Insurance coverage for sleep studies varies from company to company. Please check with your carrier for information about your specific plan.

Hancock County Memorial Hospital

Mercy Medical Center—North Iowa
Sleep Lab Medical Director
Alireza Yarahmadi, MD

How likely are you to doze off or fall asleep in the following situations?

Epworth Sleepiness Scale (ESS):
Use this scale to choose the most appropriate number for each situation:
0 = would never doze
1 = slight chance of dozing
2 = moderate chance of dozing
3 = high chance of dozing

Sleepiness Scale 

A total score of 10 or more suggests that you may need further evaluation by your health care provider to determine the cause of your excessive daytime sleepiness and whether you have an underlying sleep disorder.

If left untreated, many disorders can lead to high blood pressure, heart attack or stroke.

Contact your health care provider for an evaluation and referral.

©  2015 

Hancock County Health System | 532 1st Street N.W. | Britt, Iowa 50423 | 641-843-5000

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