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 Resources

How to Clean a Memory Foam Mattress

Rosie Osmun

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

Mattress Guides

Best Cooling Memory Foam Mattress for Hot Sleepers (2023)

Rosie Osmun

People who sleep hot need breathable mattresses with cooling technologies to regulate...

Mattress Guides

Best Cooling Mattress for Hot Sleepers (2023)

Rosie Osmun

Over 164 million Americans struggle with sleep, and the problem could be...

Mattress Guides

Best Mattress for Back Pain 2023

Rosie Osmun

In the U.S., 1 in 3 adults claim back problems affect their...

Mattress Guides

Best Mattresses for Snoring (2023): Reviews and Buyer's Guide

Rosie Osmun

If you're one of the 90 million American adults who frequently snores, it...

Sleep Health

When Should I Go to Sleep?

Rosie Osmun

Most kids grow up adhering to a relatively fixed bedtime and wake...

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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