Cybersleep Forum

Local Link is owned and operated independently by Center for Lung and Sleep Disorders (CLSD) which was founded by Dr. David Guan more than 10 years ago.   Dr. David Guan is a board-certified sleep physician with years of experience of management of sleep related illness.   He specifically emphasis on the care of CPAP.   He is also board-certified in pulmonary, critical care & internal medicine.   CLSD has three sleep laboratories which are located in Chattanooga, Fort Oglethorpe, and Dayton

We have spent many years working with home medical equipment specializing in respiratory care.   We supply thousands of patients suffering from sleep apnea the best products in the market including Respironics,  Resmed,  Puritan Bennett,  Invacare and Fisher and Paykel etc.

Please be aware of that products selections from our website are constantly updated. is a contracted online dealer. We are independent from our manufactures including Resmed.

Our mission is to improve the quality of life for our clients by providing best advice and state of the art equipment at affordable prices.

We are constantly updating our website with new services and features to better serve you.   If you have any suggestions and would like to contact us please send us an email to,or you can contact our webmaster to report site problems or comments.

At, our personal commitment to our customers is unparallel.   Your needs come first and foremost to our company and its entire staff!   We will treat you with the utmost respect and always remain upfront with you throughout our relationship.

We possess the knowledge and expertise in sleep and respiratory medicine that homecare companies lack. Our highly trained and dedicated customer service representatives are able to troubleshoot almost any situation that may arise.   And if they cannot solve a particular situation, they can have Dr. Guan to help.   Also,  when you call during regular business hours,  you will never get a recording or a voice mailbox.

You are more than welcome to contact us if you have any questions or concerns about these important purchases.   When it comes to CPAP and Sleep Apnea products,  we have years of experience.

We are located in

1814 McCallie Avenue
Chattanooga, TN 37404
Phone: 423-208-9030
FAX: 800-875-1815