Health A-Z

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Additional Info

National Center on Sleep Disorders Research
National Institutes of Health
6705 Rockledge Drive
One Rockledge Centre, Suite 6022
Bethesda, MD 20892-7993
Phone: 301-435-0199
Fax: 301-480-3451

National Institute of Neurological Disorders and Stroke
P.O. Box 5801
Bethesda, MD 20824
Phone: 301-496-5751
Toll-Free: 1-800-352-9424
TTY: 301-468-5981

Date Last Reviewed: 1/31/2013

Date Last Modified: 1/31/2013

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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