These educational resources are provided to help you learn more about narcolepsy and its symptoms, and to help you discuss with a sleep specialist. These materials are intended for US residents 18 years of age or older and are not intended to replace a conversation with a sleep specialist. A sleep specialist can evaluate your symptoms and make a diagnosis.

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Patient Tools and Education Materials

Understanding Narcolepsy — Patient Counseling Guide
This brochure is provided as a resource to help you understand and describe your symptoms, and to help you discuss your symptoms with a sleep specialist.
Epworth Sleepiness Scale
This short questionnaire assesses the severity of daytime sleepiness by rating how likely you are to doze or fall asleep in 8 common situations.

Glossary of Terms

A sudden, brief loss of muscle strength or tone caused by strong emotions.1,2

Epworth Sleepiness Scale
The Epworth Sleepiness Scale, or ESS, is a scale for evaluating level of daytime sleepiness.3 It is widely used to assess a person's likelihood of falling asleep in common situations. The ESS takes only a few minutes to complete.3,4

Excessive daytime sleepiness (EDS)
The inability to stay awake and alert during the day, resulting in unintended lapses into drowsiness or sleep.1

Hypnagogic hallucinations
Vivid dream-like events that occur while falling asleep or waking up.1,2

Multiple Sleep Latency Test (MSLT)
A sleep laboratory test performed during the day to measure a person's tendency to fall asleep.1 The MSLT consists of four or five short naps usually scheduled 2 hours apart. This test measures brain activity, eye movements, and muscle activity.5,6

Polysomnography (PSG)
An overnight test that evaluates the patient's sleep by measuring brain activity, eye movements, muscle activity, and heart and breathing activity throughout the night. This test can detect different kinds of sleep disorders.4,5

Sleep disruption
The breaking up of sleep by many awakenings.1,2

Sleep paralysis
A brief inability to move or speak while falling asleep or waking up.1

Narcolepsy Website Links

The third-party resources cited below are for the reader's information only. Jazz Pharmaceuticals does not endorse and is not responsible for the content included in these resources.

American Academy of Sleep Medicine
2510 North Frontage Road
Darien, IL 60561
Phone: (630) 737-9700
Fax: (630) 737-9790


Narcolepsy Network, Inc.
79A Main Street
North Kingstown, RI 02852
Phone: (888) 292-6522
Fax: (401) 633-6567


National Sleep Foundation
1010 North Glebe Road, Suite 310
Arlington, VA 22201
Phone: 703-243-1697


NORD (National Organization for Rare Disorders)
55 Kenosia Avenue
P.O. Box 1968
Danbury, CT 06813-1968
Phone: (800) 999-6673


Wake Up Narcolepsy, Inc.
P.O. Box 60293
Worcester, MA 01606
Phone: (978) 751-DOZE (3693)

The content on this site is not meant to replace a conversation with a sleep specialist. A sleep specialist can evaluate your symptoms and make a diagnosis.