The ideas behind Soma
Why the same instrument every week matters, and what know thyself has to do with it.
Why does my weight drop overnight?
Mostly water, plus whatever you ate and drank that evening. Soma Labs notes on its blog that if you weigh yourself after dinner and again the next morning before breakfast, the morning number is usually lower, sometimes by a kilo (about two pounds) or more. It's part of why Soma Axon, still being built, is meant to read you the same way at every visit. It's a general wellness product.
From The same instrument, every week, FAQ and About.
Why do my readings disagree from one device to the next?
Most health numbers depend on the hour, the room and the device as well as on you, which makes two readings hard to compare. Soma Labs says that's why it can be hard to tell a real change from noise. Its answer is Soma Axon, a closed pod meant to take the same measurement the same way every week, so that when a number moves, the change came from you. The pod is a general wellness product that's still being built.
From The same instrument, every week, About and FAQ.
What does Soma's blog say about the white-coat effect?
Soma Labs brings it up in "The same instrument, every week" as an example of the setting changing a number. Some readings tend to come out higher in a doctor's office than at home, often enough that there's a name for it: the white-coat effect. The post's point is that the hour, the room and the device matter as well as you, which is why Soma Axon is being built to read you the same way each week. It's a general wellness product.
From The same instrument, every week, FAQ and About.
Why does my watch's pulse reading get less reliable when I move?
A watch's optical sensor reads your pulse through the skin, and Soma Labs' blog notes that it gets less reliable when your wrist moves or the strap is loose. Soma Axon, the pod Soma is building, takes a different route: you stand still in the same spot with your hands on the same two grips while cameras and contact sensors read you. It's a general wellness product, and it isn't available yet.
From The same instrument, every week, Home and FAQ.
Can a bathroom scale read differently on a rug than on tile?
Yes. Soma Labs' blog notes that even a bathroom scale can give a different number on a rug than on tile. It's a small example of a bigger pattern, since health numbers depend on the room and the device as well as on you. Soma Axon is being designed so those stay put, with the same pod, light and positions at every visit. The pod is a general wellness product that's still being built.
From The same instrument, every week, Home, Compare, FAQ and About.
What are smartwatches good at when it comes to tracking my body?
Watches have one big advantage, according to Soma Labs' blog: they're on you all day, so they can follow trends in your heart rate and sleep between check-ups. Soma sees a watch and its weekly pod as partners. The watch covers the days and the pod covers the week, with the Soma app reading your phone and watch between visits. Soma is a general wellness product, and Soma Axon isn't available yet.
From The same instrument, every week, Blog and FAQ.
Is a yearly check-up enough to see how my body changes?
Soma Labs' blog calls a yearly check-up thorough. But a year is a long gap, and a slow change can go unnoticed for most of it. Soma's answer is to keep your check-ups and add a weekly reading in the months between, which is what Soma Axon is being built for. It doesn't take the place of your doctor, and it's a general wellness product whose first prototype is underway.
From The same instrument, every week, FAQ and About.
What is Soma's post "The same instrument, every week" about?
Soma Labs published it on September 23, 2026, as a 2 minute read. It starts from how most health numbers depend on the hour, the room and the device as well as on you. Then it explains why Soma Axon will read you in one closed pod, with the same light, cameras and grips each week. Near the end it describes what a weekly reading gives you: a baseline from your own readings after a handful of visits. Soma is a general wellness product.
From The same instrument, every week and FAQ.
Why does Soma Axon read you the same way every week?
Soma Labs says the sameness is deliberate. The light and the cameras will be the same every time, and you'll stand in the same spot with your hands on the same two grips. If your resting pulse is higher than last week, Soma wants to be able to say the change came from you and rule out the room or the equipment. Soma Axon is a general wellness product that's still being built.
From The same instrument, every week, Home, FAQ and About.
What does a weekly Soma reading give you over time?
A baseline built from your own readings, after a handful of visits. From there, Soma Labs says a slow change, like a resting pulse creeping up over a month of short nights, should show up as a trend you can see. Each number comes with its margin of error. Soma is a general wellness product, and Soma Axon's first prototype is still being built, so there's a waitlist for now.
From The same instrument, every week, Home, FAQ and About.
Why will Soma ask how I slept before a reading?
So the context lands next to the numbers. Before each reading in Soma Axon, someone from Soma will ask how you slept, when you last ate and whether you trained, so a short night or a hard session gets noted beside the results. A Soma score only sums up what was measured and what you reported. The pod is a general wellness product that isn't available yet.
From The same instrument, every week, Home and FAQ.
What does "know thyself" mean for Soma?
For Soma Labs, it starts with a gap: medicine knows a great deal about the human body, but most people know very little about their own beyond their weight and maybe a resting heart rate. Knowing yourself also means being honest about what a number can't tell you, so every figure Soma shows will come with how sure Soma is of it. That's the thinking behind Soma Axon, a weekly pod the company is building as a general wellness product.
From Know thyself, FAQ and About.
Where was "know thyself" inscribed?
At the temple of Apollo at Delphi, where the Greek words gnōthi seauton were inscribed. The inscription itself didn't survive, as Soma Labs notes in its blog post on the maxim. Soma took the phrase as its mission and built its home page headline around it: "Know thyself. Know your body." The company is building Soma Axon, a weekly whole-body scan, as a general wellness product.
From Know thyself, Home and FAQ.
Who wrote about "know thyself" being at Delphi?
Pausanias did. As Soma Labs' blog tells it, he was a Greek who traveled the country in the second century and wrote down what he saw, and he puts "know thyself" in the forecourt of the temple of Apollo along with a second maxim, "nothing in excess." He says the Seven Sages dedicated both to Apollo. Soma took the first maxim as its mission for Soma Axon, a weekly pod it's building for general wellness.
From Know thyself and FAQ.
Was "know thyself" originally a greeting?
Some said so. In Plato's Charmides, Critias says the words were the god's greeting to everyone who walked into the temple at Delphi, used in place of the usual hello. Soma Labs' blog notes that the more common reading was humbler: remember that you're mortal and don't overreach. Soma took the maxim as its mission, adding "love yourself" as its own second half, and it's building Soma Axon as a general wellness product.
From Know thyself and FAQ.
What did Socrates think about "know thyself"?
In the Phaedrus, Socrates says he still can't do what the inscription asks and know himself, so it seems ridiculous to him to look into other questions first. What he'd rather find out is whether he's a beast more tangled than Typhon, the hundred-headed monster of Greek myth, or a gentler, simpler creature. Soma Labs retells this on its blog and borrowed the maxim for its mission, building Soma Axon as a general wellness pod.
From Know thyself and FAQ.
What is the Roman mosaic with a skeleton and "know thyself"?
It's a mosaic found in Rome that shows a skeleton stretched out on its side above the words "know thyself" in Greek. It comes from excavations at San Gregorio on the Via Appia and is now in the National Roman Museum. Soma Labs' blog uses it to show the humbler ancient reading of the maxim: remember that you're mortal and don't overreach. Soma took the maxim as its mission for Soma Axon, a general wellness product.
From Know thyself and FAQ.
How does a weekly pod reading differ from weighing myself on a bathroom scale?
A bathroom scale can give a different number on a rug than on tile, and weight itself moves overnight with water and whatever you ate. A smart scale's strength is that it lives at home, where you can step on it every morning in 30 seconds. Soma Axon is a place you'd go once a week, and in return it reads you under the same light, from the same positions, with the same instrument each time. Soma Labs builds it as a general wellness product.
From The same instrument, every week, Blog, Compare and FAQ.
What's the difference between what a watch and a yearly check-up can tell me?
They work on very different clocks. A watch is on you all day, so it can follow trends in your heart rate and sleep between check-ups, but its optical sensor gets less reliable when your wrist moves or the strap is loose. A yearly check-up is thorough, though a year is a long gap. Soma Labs is building Soma Axon for the weeks in between: a whole-body read, the same way every time. It's a general wellness product that isn't available yet.
From The same instrument, every week, Compare, Home and FAQ.
How do I tell whether a change in my numbers is real?
Soma Labs' answer starts with the setting. It says seeing how a body changes takes the same measurement, taken the same way, every week, since the room, the time of day and the instrument otherwise shift from one reading to the next. One reading on its own doesn't tell you much, while readings taken that way show what's changing and how fast. That's the job Soma Axon is being built for, as a general wellness product.
Why would a body scan show a margin of error on every number?
Soma Labs counts honesty about numbers as part of knowing yourself. It says knowing yourself also means being honest about what a number can't tell you, so every figure Soma shows comes with how sure the company is of it. You'll also see whether the science behind a value is well established or still being tested, so you know how much weight to give it. Soma is a general wellness product.
From Home, Know thyself and FAQ.
What kind of slow changes can a weekly body reading show?
Soma Labs gives two examples. A resting pulse creeping up over a month of short nights should show up as a trend you can see, and so should losing muscle over a winter of training less. Both depend on readings taken the same way each week, which is what Soma Axon is being built to do. The pod is a general wellness product, and its first prototype is still under way.
From The same instrument, every week, Blog, Home, FAQ and About.
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