The Brain and Spine Institute is made up of experts in the field of neuroscience in order to bring patients the best healthcare in East Tennessee for a full range of neurological diseases and disorders.
myClipboard
myClipboard
Save news, events, articles and doctor's information to your personal clipboard for later reference.
Add items by clicking the 
button.
Create an account
Centers of Excellence
-
-
We provide a comprehensive continuum of cancer services, including prevention, outreach, diagnostic, treatment and support services delivered by our highly skilled staff with compassion and care.
-
The Center for Women & Children's Health is a hub for supporting women's and children's individual healthcare needs. The center provides support, research and unmatched patient-centered care.
-
Emergency and Trauma Services is the only Level I Trauma Center in the area and serves as the tertiary referral center for medical care in East Tennessee, serving Knox County and 21 surrounding counties.
-
The Heart Lung Vascular Institute brings together expertise in clinical care, teaching and research. Patients receive exceptional healthcare combined with patient-centered care.
Share
Print
Related Media
Natural short sleeper
Definition
A natural short sleeper is someone who sleeps a lot less in a 24-hour period than is expected for people of the same age, without being abnormally sleepy.
Alternative Names
Sleep - natural short sleeper
Causes, incidence, and risk factors
Although each person's need for sleep varies, the typical adult needs an average of 7 - 9 hours of sleep each night. Short sleepers sleep less than 75% of what is normal for their age.
Natural short sleepers are different from people who chronically do not get enough sleep because of work or family demands, or who have medical conditions that disrupt sleep.
Symptoms
Natural short sleepers are not excessively tired or sleepy during the day.
Treatment
No specific treatment is needed.
Support Groups
Expectations (prognosis)
Complications
Calling your health care provider
Prevention
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org). URAC's accreditation program is an independent audit to verify that A.D.A.M. follows rigorous standards of quality and accountability. A.D.A.M. is among the first to achieve this important distinction for online health information and services. Learn more about A.D.A.M.'s editorial policy, editorial process and privacy policy. A.D.A.M. is also a founding member of Hi-Ethics and subscribes to the principles of the Health on the Net Foundation (www.hon.ch).