Brian Caldwell
Editor of Cool Sleep Lab
About
Brian Caldwell is 45, works as an IT systems contractor out of his home office in Tucson, Arizona, and has been a hot sleeper since his mid-thirties. After his divorce in 2022, he moved into a single-story house built in 1994 with the original HVAC still running. The first summer was manageable. The second was worse. By July 2024, his power bill hit $487 and his bedroom thermometer read 82 degrees at 4 in the morning.
At that point the fan-and-frozen-pillow routine clearly wasn't cutting it. He started testing hardware: cooling mattress toppers, phase-change pillowcases, bed climate systems, bedside fans with real airflow specs. Each product gets a minimum 30-night window on his actual bed. He logs bedroom temperature at 11pm, 2am, and 6am. He keeps the electric bills. If something moved the number on that thermometer, he writes about it. If something pilled by week three, the review says so. If a fan controller froze on firmware 2.1, that ends up in the review too.
Brian is not a sleep doctor or a certified sleep coach. He is an IT contractor who figured out, mostly the hard way, that marketing copy and real bedroom thermometer readings are often very far apart. If you have a diagnosed sleep disorder or suspect a medical cause for night sweats, see a doctor. The reviews here are about the hardware side of a hot bedroom, not the medical side.
Written by Brian Caldwell
- How to Find a Cooling Mattress at Mattress Firm Locations
- Why Bamboo vs Cotton Sheets for Hot Sleepers Make a Difference
- Best Waterproof Cooling Mattress Protector for Hot Sleepers in Summer
- Why Your Bedroom Humidity Affects Sleep Quality in the Summer
- Why Thermal Blackout Blinds are Essential for Hot Desert Sleepers
- How to Cool Down a Bedroom for Sleep Without Cranking AC
- Best Cooling Mattress for Side Sleepers After Months of Trial
- Simple Ways for Cooling a Memory Foam Mattress That Sleeps Hot
- Best Cooling Pillows for Side Sleepers with Neck Pain in 2024
- Best Moisture Wicking Sheets for Hot Sleepers Who Sweat at Night
- Best Silk Pillowcases for Hot Sleepers with Night Sweats (2026 Review)
- BedJet vs Chilipad Review 2026: The Micro-Climate Sleep Test
- 2026 Audit: Best Anti Bacterial Silver Infused Sheets for Night Sweats and Odor
- The $487 Receipt: Why Your Budget Cooling Topper is Leaking Money (2026 Update)
- The Summer I Broke Down and Bought a BedJet: A Tucson Survival Guide
Disclosure
Most product links on this site are affiliate links. Buy through one, the brand pays a small commission, your price stays the same. Every piece of hardware reviewed here was purchased with Brian's own money and run through a minimum 30-night test before anything was written. Full policy on the editorial policy page.