Sophia Carlisle

Sophia Carlisle

Freelance journalist

Sophia Carlisle is a writer and editor with a soft spot for pets and lifestyle topics. She’s tested and reviewed pet, home, and sleep products for various mainstream publications, including some of the latest mattresses for Tom's Guide. Sophia currently lives in Minnesota with her rescue pit mix Lyla, who also enjoys helping test products. 

Latest articles by Sophia Carlisle

The image shows a white mattress with green trim placed on a taupe colored bed foundation, set within a light and neutral bedroom

The Helix Sunset mattress for side sleepers is a softer alternative to the Helix Midnight — here's what I think after sleeping on it for a month

By Sophia Carlisle published

Like the best-selling Midnight range, the Helix Sunset is crafted specifically for side sleepers — only softer. But does it hit the mark? Here's what I think after sleeping on it for a month.

Mattresses
The image shows the Casper One mattress on a blue bed foundation in a blue bedroom

Casper One Mattress review 2025: A memory foam dream for back sleepers

By Sophia Carlisle published

Casper's mid-range foam mattress is The One to buy if you're a back sleeper who shares a bed with a restless sleeper

Mattresses
A queen-size Casper One Mattress on a black bed frame atop an ornate rug with shades of red and green. A black and white dog is laying on top of the mattress.

I've been sleeping on the Casper One for a week and it's making me love firmer memory foam mattresses

By Sophia Carlisle published

The Casper One Mattress is the new and improved version of the Casper Original. Find out what's changed in our hands-on review.

Mattresses