We're unable to sign you in at this time. Please try again in a few minutes.
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
Article |

Sleep-Wake Disorders Based on a Polysomnographic Diagnosis A National Cooperative Study

Richard M. Coleman, PhD; Howard P. Roffwarg, MD; Stephen J. Kennedy, PhD; Christian Guilleminault, MD; Jay Cinque; Martin A. Cohn, MD; Ismet Karacan, MD(MED), DSc; David J. Kupfer, MD; Helio Lemmi, MD; Laughton E. Miles, MD, PhD; William C. Orr, PhD; Elliott R. Phillips, MD; Thomas Roth, PhD; Jon F. Sassin, MD; Helmut S. Schmidt, MD; Elliot D. Weitzman, MD; William C. Dement, MD, PhD
JAMA. 1982;247(7):997-1003. doi:10.1001/jama.1982.03320320033026.
Text Size: A A A
Published online


Under the organizational aegis of Project Sleep and the Association of Sleep Disorders Centers (ASDC), nearly 5,000 patient records from 11 sleep-wake disorders clinics were analyzed in a cooperative study. These cases represented the diagnostic experience of each of these centers over a two-year period. Each patient underwent polysomnographic study, and his or her condition was diagnosed according to the ASDC classification system, a new, standardized nosology of sleep disorders medicine. The most common major diagnostic category was "disorders of excessive sleepiness (hypersomnia)," 42%; this was followed by "disorders of initiating and maintaining sleep (insomnia)," 26%; "penile tumescence evaluations for impotency," 17%; "parasomnias," 3%; and "disorders of the sleep-wake schedule," 2%. If the impotency evaluations performed in the sleep clinics are removed from the total, leaving only the population that was studied because of sleep complaints, the proportions of the diagnostic categories are hypersomnia, 51%; insomnia, 31%; parasomnias, 15%; and sleep-wake schedule disturbances, 3%. The most prevalent diagnoses in the hypersomnia category were sleep apnea (43%) and narcolepsy (25%). Psychiatric disorders (35%) comprised the most frequent group of insomnia diagnoses, though a variety of other disorders were common. The applications of these results for the practicing physician are discussed.

(JAMA 1982;247:997-1003)


Sign in

Purchase Options

• Buy this article
• Subscribe to the journal
• Rent this article ?




Also Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
Please click the checkbox indicating that you have read the full article in order to submit your answers.
Your answers have been saved for later.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.


Some tools below are only available to our subscribers or users with an online account.

0 Citations

Sign in

Purchase Options

• Buy this article
• Subscribe to the journal
• Rent this article ?

Related Content

Customize your page view by dragging & repositioning the boxes below.