Rosie is a wellness and sleep enthusiast with more than 15 years of experience covering articles on beauty, lifestyle, and product reviews. As a prolific author and widely quoted sleep expert, she’s able to develop in-depth guides to help readers sleep better, deeper, and longer.

Rosie’s background in brand development, marketing, product development, and product testing also helps her understand the business side of things when delving deep into longform product reviews. Rosie joined the Each Night team back in 2019.


Rosie Osmun graduated from Arizona State University College of Liberal Arts and Sciences. There, she studied Political Science and Government, and received a certificate in International Relations. She is also a Certified Sleep Science Coach. 

Recently Published by Rosie

Mattress Guides

Best Mattress for Side Sleepers of 2022

Rosie Osmun

If you’re a side sleeper, you’re never short of mattress options— on...

Mattress Resources

Mattress Sagging vs Body Impressions: What's The Difference?

Rosie Osmun

When you get a new mattress, the last thing you want to...

Mattress Resources

How to Ship a Mattress

Rosie Osmun

Shipping a mattress is more complicated than shipping a letter or small...

Mattress Resources

How to Compress a Memory Foam Mattress at Home

Rosie Osmun

One of the trickiest items to move from one place to another...

Mattress Resources

How to Keep Cool on a Memory Foam Mattress

Rosie Osmun

In general, memory foam mattresses cultivate the most heat. In fact, 15%...

Mattress Resources

How to Clean a Memory Foam Mattress

Rosie Osmun

Memory foam beds are made from petroleum-based materials which give them contouring,...

eachnight consists of a team of writers, editors, and sleep experts who work to publish the most reliable and comprehensive guides available on sleep health. Our simple goal is to provide the information you need to get better sleep each night.

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