Go find your mattress topper right now.
Seriously. Get up and go get it — or pull up the product page on Amazon if you bought it online.
Look at the front label. "Premium." "Hotel Quality." "Plush Comfort." or Maybe "Cooling Technology" in bold letters.
Looks expensive. Looks like it should work.
Now look for one specific number anywhere on that label.
The GSM.
Grams per square meter. The measurement of how much actual support material is packed into that topper. The only number that tells you whether the surface can hold your body through the night or whether it collapses under your weight by hour two.
Front of the package. Back. The sewn-in tag. The product listing online. Anywhere.
Go ahead. I'll wait.
It's not there.
Now let me tell you exactly why that missing number explains everything.
Why you still wake up stiff. Why the first thirty minutes of every morning is damage control. Why you've spent thousands trying to fix something that nobody in the bedding industry had any reason to fix for you.
You were sold a surface without the one number that actually matters.
And every brand you trusted knows exactly why they left it off.