Pillow Talk

What Is a Duvet Cover, and Do You Need One?
A duvet cover is a removable fabric case that goes around a duvet insert, the way a pillowcase goes around a pillow. It exists because the insert itself usually cannot be washed. Our own organic cotton duvet carries the instruction "spot clean and sun only, do not machine wash", and its 10 to 15 yea Read more...
Morning sun on a dark wood bed. The Circadian Organic Wool Comforter, a hand-tufted duvet insert, lies thrown back across it.
How Do You Wash a Wool Blanket Without Shrinking It?
Wool does not shrink because the water was hot. It shrinks because water, movement and heat arrived together and the scales on each fiber locked. Five steps that keep them... Read more...
Close view of the hem on the Circadian Organic Cotton Flat Sheet, 300 count sateen in the natural off-white of the undyed cotton
Do You Need a Top Sheet With a Duvet?
A duvet in a cover is already a finished bed, so the top sheet is a choice rather than a rule. The case for one comes down to laundry, skin... Read more...
The side zipper running along one edge of the Circadian Organic Cotton Duvet Cover in 300 count organic cotton sateen, the natural color of the cotton
How Do You Put On a Duvet Cover and Stop It Shifting?
Most duvet covers shift because the insert was never anchored, not because you put it on wrong. Five steps, and a look at what nine makers actually publish about closures. Read more...
Cream organic cotton comforter and taupe organic wool comforter folded side by side on a bed
How the Scandinavian Sleep Method Ends the Fight Over the Comforter
A single shared comforter is why so many couples wake up cold, hot or uncovered. Keep sharing the bed, which research ties to more REM sleep, and give each of... Read more...
Woman propped on one elbow in bed under an ivory organic wool duvet, smiling toward a bright window
What Is an Organic Wool Duvet vs a Regular Duvet?
Two duvets can look the same on a bed and be very different underneath. Read on for what organic audits, how wool handles a warm night, and when a regular... Read more...
Folded organic cotton and organic wool duvets stacked on a neutral linen bed
Is a Wool or Cotton Duvet Worth the Higher Price?
A real GOTS certification and a decade-plus lifespan justify a wool or cotton duvet premium over synthetic fill. Here is how to check the label grade before you pay for... Read more...
Woman sleeping peacefully on a Circadian pillow amid crisp, freshly laundered cream linens
How to Keep Your Bedding Allergen-Free Year-Round
Dust mites don't care how often you vacuum. They care about heat, humidity, and a proper barrier. Here's the weekly routine that keeps allergen levels down. Read more...
Man sleeping under a cream wool duvet in a bright bedroom with a vaulted angled ceiling
How Does Wool Regulate Temperature While You Sleep?
Wool has a reputation for warmth, but the real story is what happens once the air around you gets humid. Here is the fiber science behind why it works. Read more...
Woman measuring a bed corner beside a folded organic cotton duvet insert with hand-tufted knots
How to Choose the Right Duvet Insert Size
California King owners, there is no special insert size made just for your bed. Here is the mattress-to-insert map that works, plus how to verify a real organic certification claim. Read more...
Man loading a cream pillow cover into a washing machine, buckwheat hulls set aside in a bowl
Which Pillow Fills Are Machine-Washable? (Fill Guide)
Toss the wrong fill in the wash and you can ruin a pillow in one cycle. Here's the fill-by-fill breakdown of what survives a washing machine. Read more...
Man sleeping cool and relaxed on a rectangular natural-fill Circadian pillow
Natural Cooling Pillows vs Gel: Which Sleeps Cooler?
Gel feels cold at first touch, but that effect fades once it reaches its heat-absorption limit. Independent lab testing shows how natural fills compare to gel foam over a full... Read more...