You are handed a machine, a mask, and roughly five minutes of instruction. Somebody shows you how the water chamber comes out. Then you go home and put it on your face and try to fall asleep, which turns out to be a skill nobody mentioned you would have to learn.
The therapy itself is not in doubt. What is in doubt is whether you will still be doing it in three months, and a great many people are not — they stop early, and they almost never stop because the treatment was wrong for them.
The reasons are boring, which is the point
The mask leaks at four in the morning and you wake with a hiss in your ear and one dry eye. The strap leaves a mark across the bridge of your nose, so you tighten it, which deforms the cushion and makes the leak worse. The humidifier is set wrong and your mouth is like paper. Exhaling against the pressure feels like arguing with something.
And the app that came with the machine shows you a number and a green tick. It tells you what happened. It does not tell you what to change. By week three you are wearing it three nights out of seven, and three nights out of seven is how a machine ends up in a closet.
A record, not another dashboard
Nightshift is the record nobody was keeping. It asks for ten seconds in the morning — hours on, and one tag for how the night went — and turns the weeks into trends and insights you can actually see.
It works the leak in the order that actually resolves it: re-seat before you tighten, check whether the cushion has hardened, then ask whether the mask style suits the way you sleep. It translates the numbers into a sentence instead of a tick. It shows your nights against the four-hour bar most insurers count, so nobody finds out where they stand from a letter. And it tracks the wear on cushions and filters, so parts get replaced when they are worn rather than when a supplier's calendar says so.
What it will not do
It will not touch your prescribed pressure. That dial belongs to your sleep clinician, and no version of this app will reach for it — what Nightshift keeps is the record around the prescription, and when the answer is clinical, the written week goes with you to the appointment.
Your therapy data syncs only to your own private iCloud — we run no server that can read it. Nothing is sent to an insurer, a supplier, or an employer on your behalf, and there are no ads, because your sleep is not an ad slot. The price is on the page in plain print: $2.99 a month or $19.99 a year, after a 7-day free trial.
The register is open. If you are three weeks in and already negotiating with yourself about tonight, that is exactly who this was built for — join it here, or start with the complete guide.