Sleep Center | UnityPoint Health - Allen Hospital in Waterloo, Iowa

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Center for Sleep

The Allen Hospital Center for Sleep has moved to 3735 University Ave. in Waterloo. The new location offers enhanced comfort and convenience including:

  • Six beds with private bathroom and shower facilities
  • Convenient, up-front parking
  • Next door to the UnityPoint at Home Medical Equipment Store for needed medical supplies following your sleep study

We provide specialized evaluations to aid in the diagnosis and treatment of a wide variety of sleep disorders. The Center for Sleep is accredited by The Joint Commission as an accredited ambulatory health care program.

What makes the Allen Center for Sleep unique?

  • Data is acquired utilizing state-of-the-art digital video technology.
  • 3rd-shift workers are evaluated during daytime hours.
  • Multiple Sleep Latency Tests (MSLT) are performed for suspected narcolepsy.

Who can benefit from a sleep study evaluation? Anyone experiencing . . .

  • Excessive daytime sleepiness (EDS) and fatigue.
  • Obstructive sleep apnea (OSA).
  • Severe snoring.
  • Narcolepsy
  • Nocturnal myoclonus (periodic limb movements in sleep).
  • Chronic insomnia.
  • Nocturnal seizures.
  • REM behavior disorder.
  • Parasomnias, such as somnambulism (sleep walking), night terrors, and rhythmic movement disorder.

Sleep study evaluations provided:

All-Night Polysomnography (PSG)

Monitors a variety of physiologic activities during an overnight evaluation. Using state-of-the-art equipment, the recording provides information about sleep stages, respiratory effort and airflow, heart rate, blood oxygen level, and limb movements. Superimposed video telemetry is used to simultaneously capture polysomnographic data with movements that may take the patient away from the bed, such as sleep walking.

PSG studies are interpreted by physicians in the Allen Center for Sleep. A written report including diagnosis, treatment, and other recommendations is sent to the referring physician.

Multiple Sleep Latency Test (MSLT)

Typically performed following an all-night polysomnogram (PSG) to evaluate excessive daytime sleepiness. Physiologic activity recordings include electroencephalogram (EEG), electrooculogram, chin muscle, and respirations. These recordings, performed at 1.5 to 2.0 hour intervals for 20-35 minutes, allow sleep latency and abnormalities of sleep onset to be determined. The MSLT is often necessary for diagnosis of narcolepsy or idiopathic hypersomnolence. It also provides objective verification of a patient's complaint of daytime sleepiness and assists in establishing proper treatment.

MLST studies are interpreted by physicians in the Allen Center for Sleep. A written report including diagnosis, treatment, and other recommendations is sent to the referring physician.

Obstructive Sleep Apnea Treatments

The following treatments (or combination of) can be initiated during the sleep study: CPAP (continuous positive airway pressure), CFLEX, BiPAP (bi-level positive airway pressure), oxygen.