Our approach
How Sleepfox writes a bedtime story
Three things shape every story: your child's age, what they're working through, and the fact that it arrives the same way every night. Here's what each one actually changes.
1. Age changes the prose, not the scenery
A theme is what a story is about. It does very little for a two-year-old who can't yet hold an abstraction, or for a nine-year-old who can hear condescension in a sentence.
So age sets the writing itself. For the youngest listeners, sentences run three to eight words, one idea each, about concrete things in the room — and a cozy phrase repeats until it's familiar. In the middle band, sentences stretch, one plain feeling word appears per scene, and it's always attached to something the body does. For older children, there's interiority, a small mystery, and a turn they didn't see coming — and no baby words anywhere.
Total length shifts with age too, inside whichever length you chose.
2. It happens to the character, never to your child
You can tell us what your child is working on at the moment: a first day at nursery, a new baby at home, the dark, a run of bad dreams. That doesn't change the scenery. It changes the story's spine, and it follows four rules.
- Distance. The difficulty belongs to a character, never to the listener. A child can look at a feeling in someone else's hands that they can't look at in their own — especially at bedtime.
- Name it once. One plain word for the feeling, tied to a body sensation. Naming a feeling settles it; explaining a feeling doesn't.
- Let them manage it. The character does the small brave thing themselves. An adult who swoops in teaches the listener that they couldn't have coped alone.
- No suspense. The ending is never in doubt. Suspense is arousal, and arousal is the opposite of the job.
Each topic also carries its own list of things a story must never do, because these are the specific ways a well-meant bedtime story backfires. A story for a child scared of the dark never puts anything in the dark — not briefly, not as a joke. A story after a bad dream starts after waking, and never shows the dream. A story about a doctor's visit doesn't promise it won't hurt.
And the purpose is never stated out loud. The moment a child can see the lesson coming, it stops doing anything.
3. The routine is the part we build hardest around
The least glamorous element is the one we take most seriously: the same thing, at the same time, in the same voice. Sleepfox is built as a ritual — a new story every night, on a schedule, and on Premium, narrated in a parent's own recorded voice so the voice stays constant even when the parent can't be in the room.
One rule follows from this: any streak or consistency feedback goes to the parent, never to the child. Gamifying a child at bedtime adds excitement and pulls them toward the screen, which defeats the entire point.
What we don't claim
We describe what Sleepfox does. We don't claim it treats anything.
You won't find "scientifically proven to help your child sleep" on this site, or that Sleepfox reduces anxiety, or that it treats bedtime resistance. Claims like those need a controlled trial, and we haven't run one. Design principles drawn from how children's stories work are not the same thing as evidence that a product produces a clinical outcome, and we'd rather be the app that keeps that distinction than the one that blurs it.
If that changes — if we run a real study, or have this approach formally reviewed — this page is where it will be written down, in full, including anything that doesn't flatter us.