DELTA - Schlafdaten

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About this app

You wear a tracker every night – but what do the numbers actually mean?

Sleep Health pulls your sleep data out of Health Connect and turns it into
something you can genuinely read. No colourful advice, no verdict on your
lifestyle. Just your nights, clearly laid out.

YOUR MORNING STARTS WITH THE SHORT VERSION
Every morning at 9, the app sums up the night behind you: how long you slept,
how settled it was, and how it compares to the night before. One look is enough.

WATCH YOUR SLEEP TAKE SHAPE
A single night is chance – patterns only appear over weeks.
• Trend lines for sleep duration and sleep quality
• A heatmap showing which weekdays treat you well
• Your sleep debt: what has piled up over the week
• Best and worst night in any period

PUT TWO NIGHTS SIDE BY SIDE
Did going to bed early really leave you more rested? Tap two nights and compare
them directly – duration, stages and quality lined up next to each other.

EVERY NIGHT IN DETAIL
Open a single night and follow how it unfolded: deep sleep, REM and light sleep
across the hours, along with the stretches you spent awake.

EVERY SOURCE, ONE NIGHT
Watch, ring, phone, sleep mat – Sleep Health merges what different devices
recorded about the same night, instead of showing you three entries that
disagree.

THE NUMBERS YOUR DOCTOR KNOWS
The app works with the established measures of sleep research – sleep
efficiency, time to fall asleep, time awake after sleep onset – and shows them
against the usual reference ranges. Export a PDF and your nights are ready to
hand whenever you want to show them to someone.

YOUR DATA STAYS WITH YOU
No account, no sign-in, no server. Everything lives on your device and only
leaves it if you share a PDF yourself.

WHAT YOU NEED
An Android device with Health Connect, plus a wearable or app that writes your
sleep into it. Sleep Health doesn't measure anything itself – it finally turns
what's already there into an answer.

Sleep Health is not a medical device and is not intended to diagnose or treat
any condition. If sleep problems persist, please speak to a doctor.