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Reader questions
Reader questions
Reader questions
Reader questions, July 2026
Answers to the questions we were asked most this quarter: whether toppers fix sag, when a Split King is worth it, and adjustable base compatibility.
3 min read
Journal
Notes from the test bedroom
Measurement write-ups, methodology changes, price tracking and the occasional argument about what a firmness number actually means.
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Methodology
Methodology
Methodology
What thirty nights catches that ninety seconds does not
The problems that only appear after two weeks on a mattress, drawn from our tester logs across nine beds and 271 nights.
3 min read
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Analysis
Analysis
Analysis
When mattresses are actually cheapest
Eighteen months of monthly price tracking across six brands. Which sale events carry real discounts, and which brands are permanently on sale.
2 min read
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Data
Data
Data
Do cooling covers work? We measured nine of them
Phase-change covers, gel infusions and copper threads, tested by swapping covers on the same mattress and logging surface temperature for eight hours.
3 min read
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