What's actually in your bed?
A plain-language guide to the 287 chemicals researchers have measured in mattresses, bedding and bedroom air — what each one is, where it comes from, and why it matters. Every entry is cited to the original research. No scare tactics.
Browse every compound
Grouped by chemical family (each colour is one family). Tap a card to see where it turns up in a real home and why researchers keep an eye on it — no chemistry degree required.
What the hazard tags mean
The little coloured tag on a card is a cancer-hazard rating from the World Health Organization's IARC. Important: it rates how strong the evidence is that something can cause cancer — not how risky your everyday exposure actually is. Most bedroom exposures are low. The full entry always gives the honest, in-context read.
Take this further
The Atlas answers what a compound is. Three other things on this site answer what is known about it, and what to do with that.
- The Exposure Ledger — the same compounds joined against ten public exposure datasets: whether each one turns up in tap water, in people, on a regulator's list, in what a fire emits, and at what concentration it would matter. Free to download and cite.
- The Dose Gap — the compounds already measured in people for which no inhalation reference value has ever been published. It ranks what is missing from the evidence rather than ranking the chemicals.
- ClearSupply — for brands rather than sleepers: the same data pointed at a product's materials, covering the REACH, CLP and POPs listings that the EU's Digital Product Passport will require from 2027.
An evolving reference — new compounds are added as the research expands. Hazard ratings reflect IARC, EPA, ECHA, Stockholm Convention and California Prop 65 classifications. No single card is a verdict on your home — tap through for the cited, in-context detail.