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About Us

At www.witnalge.com, we give our customers the confidence that they will always have a reliable one-stop-shop for all of their sleep apnea treatment and overall sleep needs. Our mission is to provide top-rated products from trusted brands, competitive prices, exceptional customer care, and dependable educational resources. You can sleep comfortably knowing www.witnalge.com is here to help you get a restful sleep tonight, for a bright start tomorrow.™

How to get in touch with our dedicated & helpful customer service team:

  • Email us anytime at [email protected]
  • Use the Chat Support feature to speak to a live representative. Please note: our chat feature has limited hours and is only available on business days because we use live customer care representatives. The chat feature is available Monday-Friday 11:00 AM - 3:00 PM EST. If the chat support icon is not visible, this means chat support is not available at that time.
  • Call us at 1-866-298-6482 (Available during business hours: Monday-Friday from 9am-5pm EST.)
  • If you need assistance outside of business hours, please email us. For more information, click here. 

www.witnalge.com is proud to be an authorized online seller of top CPAP product brands.

We carry only authentic products from the best manufacturers, so you can rest assured that you're getting the genuine products from each brand in every order.

You can see us on the authorized distributors lists below:

Why is it important to purchase your CPAP products from an authorized online seller like www.witnalge.com? Get the answers in our helpful blog.

Interested in receiving discounts, new product announcements, back in stock alerts, and 15% off your next order? Sign up for our newsletter and get all the benefits of being a CPAP VIP!


Editorial Team

Dr. Carleara Weiss, Medical Reviewer

Carleara Weiss, Ph.D., MSH, RN is a Postdoctoral Fellowship in Sleep and Circadian Rhythms. Originally from Brazil, she has over 15 years of experience as an Adult-Geriatric Nurse. She was recently featured in Buzzfeed, Insider, EatingWell, Women's Health, and on the Well+Good podcast. She provides expert advice on what impacts patients' sleep, advocates for better health and wellness care, and promotes diversity, equity, and inclusion through many digital platforms.

Focus Areas: Sleep disorders, circadian rhythms, insomnia, and cognitive behavioral therapy

Affiliations: American Academy of Sleep Medicine Sleep Research SocietyJacobs School of Medicine and Biomedical Sciences at the University of Buffalo

Recognitions:  TEDx São Paulo Speaker



Stephanie Behring, Writer

Stephanie Behring spent several years working in multiple healthcare roles before making a major change and shifting to freelance writing in 2018. Focusing her writing career on healthcare and education allows her to translate her previous experience and create articles that are both accessible and informative. Her work has appeared in a growing list of publications of all sizes, including Healthline and PsychCentral.

Stephanie Dula, Writer

Stephanie Dula is a longtime content writer and editor who has worked across a range of diverse industries. She can take complex healthcare information and distill it down into simple, clear language that helps empower each reader as they navigate their own wellness journey. She is a native of Asheville, NC, where she currently works with Aeroflow Healthcare. 


Our team of medical reviewers and writers strives to provide comprehensive, updated health information that is reliable and easy to understand.