Educational and coaching only — none of this is medical advice, and your sleep clinician sets your pressure. If you are starting from nothing, the complete CPAP guide puts these in order.
§ VIII — Notes
Notes, for the nights
nobody coached you through.
Writing from the people building Nightshift: the first week, the leaks, the numbers, and what happens to your data when an app is switched off.
- CPAP dry mouthWaking up parched usually means a mouth leak or air that is too dry. The fixes in order — and why it is also a sign your therapy is escaping.Troubleshooting · 2026
- What is AHI?The ranges, what counts as good on CPAP, and why a figure that creeps up over a fortnight is worth more attention than one bad night.Your numbers · 2026
- Your first week on CPAPThe hardest week, and the one most people quit in. What is normal, what to fix tonight, and why an hour awake in the mask beats a cold first night.Start here · 2026
- CPAP mask leak: find it, fix itThe four-in-the-morning hiss, the dry eye, the leak figure nobody explained. Where it comes from, and why tightening the straps makes it worse.Troubleshooting · 2026
- DreamMapper shut down. Here is what to do with your data.Philips retired the app in 2026. Your therapy record was never really in it — it is on the card in your machine, and it is still yours.Your data · 2026
- The machine, the mask, and five minutesThe clinic hands you equipment and an orientation, then you go home to meet the problem alone. Nightshift is the part nobody staffed.Launch · 2026