Become a member

X
Quick Registration


Full Registration Benefits -

Free Homepages for Doctors

Free Homepages for Hospitals

Free Homepages for Medical Conference

Free Homepages for NGO's

Personal Health Record Creation

Access to all Medical Slides

Access to all Jobs & Products Sale

Custom Search
Explore Medindia
Medindia » Consumer Health » Health Information » Circadian Rhythm and Sleep Disorders - Types

Circadian Rhythm and Sleep Disorders

Types
RSS Feeds   Text 

The circadian rhythm disorder related to the sleep-wake cycle can be categorized into the following two main groups:

1. Primary Circadian Rhythm Sleep Disorders
2. Secondary Circadian Rhythm Sleep Disorders


1. Primary Circadian Rhythm Sleep Disorders

In these sleep disorders the loss of rhythm is not due to any known reason. Here the changes in rhythm become an established pattern. The different patterns are:

a. Delayed Circadian Rhythm Disorder (DCR)

b. Advanced Circadian Rhythm Disorder (ACR)

c. Bimodal Circadian Rhythm Disorder (BCR) or Irregular Sleep/Wake Cycle

d. Non 24-hour Sleep/Wake Cycle (or Free-running Circadian Rhythm Disorder).

2. Secondary Circadian Rhythm Sleep Disorders

In these disorders there is a visible cause for the shift in circadian rhythms like:

a. Jet lag

b. Illness

c. Shift working

Share it!
Comment & Contribute
Comments should be on the topic and should not be abusive. Comments are normally moderated and are reviewed after they are posted.
* Your comment can be maximum of 2500 characters

Notify me when reply is posted
I agree to the terms and conditions 		  
If you have a question about health related issues, you can now post it in our Ask An Expert section on our community website Medwonders.com and get answers from our panel of experts.
Posted by:  Annycantsleep(Guest)  Posted on: 02/24/2009
I have delayed sleep phase syndrome (fall asleep around 3am)and wonder what jobs others with same problem have as I can no longer do the 9-5 office thing...its killing me! Love to get some ideas about alternate industries...thanks so much!

Reply | Forward


Posted by:  monsie  Posted on: 12/27/2008
I suffer from macular degeneration. I wonder if light therapy would be beneficial for me. I need to know.
Thanks
monsie

Reply | Forward



X
Related Links
• Melatonin
• Sleepwalking
• Narcolepsy
• Restless Legs Syndrome
• Epworth Sleepiness Scale
• Sleep Apnea - Animation
• Obstructive Sleep Apnea
• Insomnia
• Learn about Sleep

Medwonders Health Network

Total Members - 62187
Support Groups - 445
Login  Join Now
Medwonders Health Network
Citing this Health Article
The information on Medindia is factual, unbiased and authentic. If you find the content useful - PLEASE INCLUDE A LINK TO THIS PAGE.

Highlight the text, right-click, and select “copy”. Paste the link into your website, email, or any other HTML document.
Circadian Rhythm - Complete Medindia Resources
News on Circadian Rhythm and Sleep Disorders
* Females and the Issue of Circadian Rhythm
* Severity of Sleep Apnea Could Predict Diabetes
* 'Nervous' Prince William Unable To Sleep Before Royal Wedding
* Sleep Longer to Prevent Weight Gain
* 'Orphan' Sleep Drug may Fight Cancer
Total News Item 1017
Read More
Are you a member of Facebook? Become a fan of Medindia and get breaking news delivered to your Facebook page.