At Sleep Advisor, we believe a quality life starts with great sleep. The days of bragging about how few zzz’s you get are over. Self-care is more than a popular buzzword, and rest is a key ingredient. Sleep affects both your mental and physical well-being, and everyone deserves to feel their best, which is why we’re passionate about helping you dream with ease.
Lead Product Tester & Video Editor
Julia is the Lead Reviewer at Sleep Advisor, specializing in testing out mattresses and sleep accessories – she’s in the right line of work, because she loves to sleep.
Julia has been working in the sleep health space for nearly 4 years with brands like Roku’s This Old House, Sports Illustrated, and Real Simple Magazine, and researches new products coming onto the market daily. She is based in Raleigh, North Carolina. When she’s not testing out mattresses, she’s going to the farmer’s market (or probably taking a nap) with her senior pup, Rosita.
Dr. Raj Dasgupta
MD, FACP, FCCP, FAASM
Quadruple-board certified in internal medicine, pulmonary, critical care and sleep medicine
Dr. Raj Dasgupta is an ABIM quadruple board-certified physician specializing in internal medicine, pulmonology, critical care, and sleep medicine. Along with his professional work in medicine and clinical research, Dr. Dasgupta serves as an associate professor of clinical medicine at the University of Southern California in Los Angeles.
Along with his role as associate professor, Dr. Dasgupta is the Assistant Program Director of the Internal Medicine Residency and the Associate Program Director of the Sleep Medicine Fellowship at USC. He is also a fellow of the American College of Physicians (FACP), the American College of Chest Physicians (FCCP), and the American College of American Academy of Sleep Medicine (FAASM).
Dr. Dasgupta brings over 20 years of medical experience to Sleep Advisor, where he shares his expertise on important sleep health topics.
GM at Sleep Advisor
Josh is the GM at Sleep Advisor and has been working in the sleep health space for nearly 3 years on brands like Sleepopolis, Mattress Clarity, Mattress Nerd, and Mattress Advisor.
A recent Charlotte local, he enjoys adventuring with his two dogs and visiting the plethora of breweries in the Charlotte area but will not sacrifice his 8 hours of sleep to do so. Josh has a passion for fitness, nutrition, recovery and most of all sleep. He regularly is pouring through his Whoop sleep data and sharing it with anyone who will listen. He is also excited to improve his sleep metrics on his new Nolah Evolution mattress.
Jill Zwarensteyn is the editor for Sleep Advisor and a certified sleep science coach.
She is enthusiastic about providing helpful and engaging information on all things sleep and wellness.
Based in Los Angeles, Jill is an experienced writer and journalist who enjoys spending her free time at the beach, hiking, reading, or exploring new places around town.
She’s also an avid traveler who has a personal goal of being able to successfully sleep on an airplane someday.
Dream Mattress: Silk & Snow Hybrid
As Sleep Advisor’s Performance Editor, Melanie writes and edits content throughout the site to ensure it’s accurate, engaging, and up-to-date.
Sleep has always been a top priority for her—even at childhood sleepovers, she was never able or willing to pull an all-nighter. After spending some time researching studies and writing articles for a sleep hygiene app, she became hooked on sleep science at large.
These days, she’s a proud member of the Sleep Advisor editorial team and finds continual inspiration in the best sleeper she knows: her enormous cat, Cole.
Dream Mattress: Saatva Latex Hybrid
Olivera is a content writer for Sleep Advisor and a certified sleep science coach. Olivera is enthusiastic about sleep, and she firmly believes in the benefits of daytime naps on top of getting a full 8-hour sleep at night.
She started writing in 2016 and never looked back. What she appreciates the most is her flexible working hours and the ability to work with people worldwide.
In her free time, Olivera enjoys reading Spanish literature, taking pilates classes, and trying out new cocktails with friends.
Sosha Lewis is a staff writer for Sleep Advisor and a certified sleep science coach. Lewis is happy that she is able to combine her love of sleep with her love of writing. Lewis also has had articles featured in The Washington Post, Huffington Post, MUTHA Magazine, Charlotte Magazine, and The Charlotte Observer. Her weekly column, Soshally Awkward, is featured on the nationally-syndicated radio show, Bob & Sheri.
She lives in Charlotte, NC with her husband, daughter, and lovable trash-panda of a dog, Olive.
Dream Mattress: DreamCloud Premier Rest
Senior SEO Associate
Rachel is the SEO site lead at Sleep Advisor and a Certified Sleep Science Coach. She's been working in the sleep space for a year and a half, across brands like Mattress Nerd and Mattress Advisor.
Rachel calls the city of Denver home, and enjoys exploring new places with her family and dog, Potato (who though small, tries to hog space on the bed). As a former college athlete and now avid outdoorsy person, Rachel values getting the best night's rest possible, whether that's in a bed, hammock, or when camping.
Dream Mattress: Silk & Snow Hybrid
Senior SEO Associate
Andrew is a Senior SEO Associate and Certified Sleep Science Coach. He enjoys helping connect Sleep Advisor’s wide array of resources with people looking to improve their sleep quality or research new products. He is passionate about learning about the links between sleep and health, nutrition, and exercise as well as finding practical ways to get a better night’s sleep.
He currently lives in Charlotte, NC and enjoys playing tennis, hiking and watching the Carolina Panthers and UNC Tar Heels in his free time.
Dream Mattress: Brooklyn Bedding Aurora Luxe
Sarah Price is our SEO Associate on Sleep Advisor. Sarah helps make sure our content is up to date and easy for our readers to find. As a notoriously bad sleeper, Sarah enjoys being part of a team full of sleep experts to give her tips and tricks to help her on her sleep journey- might need to start by upgrading from her high school mattress.
Based in Charlotte NC, Sarah spends her free time traveling, paddle boarding and hiking with her dog Camper.
Dream Mattress: Silk & Snow Hybrid
Danica ensures all our content is presented beautifully on our website. As a part of the team for four years, she’s never stopped showing her passion for coding. Studying wellness through her role has helped improve her sleep, as she now enjoys drifting off to sleep on a perfect mattress topper, supportive pillows, and tucked under a fluffy duvet, which allows her to wake up refreshed.
When she’s not coding, she likes to take long walks with her dog, play adventure PS games and read psychological books.
Dragan is in charge of enhancing our website so that it’s easily accessible to our readers.
Dragan very much respects his body; however, under no circumstance is he willing to allow his mattress to adjust to his well-shaped figure for the necessary 8 hours of sleep, which his mind desperately craves— he’s an extra-firm mattress kinda guy.
Legend has it, he once slept on a rock, and he didn’t even mind as long as he could get some sleep. In his spare time, he likes playing drums, watching independent European cinema, reading French comics, and frequenting music festivals— where he might have another chance to find a rock to lay his head on and drift peacefully into dreamland.
Check Your Ego
We take a progressive approach, and there is no traditional hierarchy. Suggestions for improvement flow up as often as they run down because everyone’s voice is equally valued.
Challenging the way things are done or pointing out something wrong is hard, but it’s crucial to speak up, or we end up resting on our laurels. The truth can be brutal, but pushing through is where growth begins.
The sleep industry changes constantly. If we aren’t consistently gathering the latest data or challenging our sources, our information can quickly become obsolete. Further, we value education, and whether that’s attending a sleep course or participating in our team book club, it’s critical to keep learning.
There are no silly questions— you can’t satisfy curiosity without a query.
If you don’t know, ask, we’re all ears.
We are committed to being upfront and transparent about our policies. More information about how we evaluate products and run our site can be found here, along with our disclosures and disclaimers.
It’s critical to keep in mind that while we do extensive research and testing, we are not doctors, and no advice we offer could take the place of a medical professional. We hope you’ll use our findings as a platform for your own research and questions you might ask at your next doctor visit.