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What You Sleep On
What You Sleep On episodes
- Why blend sheets keep their pills while cotton sheds them
The fibers anchoring a pill decide whether it drops off or stays. Why cotton pills shed, blend pills stay, and where fiber length stops helping.
Full transcript: https://circadianrest.com/pages/episode-why-do-sheets-pill-which-pill-least
9 min - Why does a body pillowcase bunch up by morning when the label says it fits?
A body pillowcase labelled body size can be 18 inches too short for the pillow it is sold to cover. The mismatch happens when a case is sewn to the market defau
Full transcript: https://circadianrest.com/pages/episode-you-choose-body-pillow-case
8 min - Why you cannot wash a duvet insert, and what the answer says about how it was built
Loose fill against a batted pad, and how that one difference decides the construction, the tufting and the care label.
Full transcript: https://circadianrest.com/pages/episode-6-things-look-down-alternative-duvet
7 min - Why wool bedding and cotton bedding need opposite care instructions
Wool wicks moisture to hold bedding below the 50% humidity dust mites need, while cotton's defense is washability at 130°F. The care instructions are opposite b
Full transcript: https://circadianrest.com/pages/episode-6-natural-pillow-fills-resist-dust-mites
8 min - Why a Protector Matters More for Pillows That Can't Be Washed
Kapok clumps if it gets wet. Wool felts. Neither can be machine washed, so a protector becomes the only hygiene layer you can wash on schedule without touching
Full transcript: https://circadianrest.com/pages/episode-pillow-protectors-really-extend-pillow-life
8 min - Why GSM doesn't convert to tog without a lab test
GSM measures grams of fill per square meter, while tog measures tested thermal resistance under British Standards Institution method BS 4745. The same GSM figur
Full transcript: https://circadianrest.com/pages/episode-gsm-tog-mean-buying-duvet
6 min - Three certification logos, three different questions
Three logos answering three different questions. Which one covers farming, which covers what is in the fabric, which covers the air, and the one question that tells you if a logo means anything.
Full transcript: https://circadianrest.com/pages/episode-gots-vs-oeko-tex-vs-greenguard-which-trust
7 min - Your neck is stiff and the pillow is the wrong height
A stiff neck most mornings is a height problem, and if the pillow has a zip you already own the fix. What to take out, how much, and where it stops being the pillow's fault.
Full transcript: https://circadianrest.com/pages/episode-adjust-pillow-fill-firmness-loft
6 min - Hot, or wet? The two sleepers who both say they run hot
Two people can both call themselves hot sleepers and need opposite duvets. How to tell which one you are, and what wool does with moisture that cotton does not.
Full transcript: https://circadianrest.com/pages/episode-wool-vs-cotton-duvet-hot-sleepers
5 min
About What You Sleep On
From the publisher's feed
A short show about the materials you sleep on and how they behave. Wool, buckwheat hulls, kapok, cotton, latex: what each one does with heat and moisture, why a pillow goes flat, what a…
certification number covers and what it leaves out.
Each episode takes one question people ask before buying and answers it with the mechanism instead of the marketing. Made by Circadian, who build natural-fill pillows and bedding in New Jersey.
The episodes are narrated by synthetic voices. Full written transcripts for every episode live at circadianrest.com.