Contacts / Accounts
We have removed this permission since it is not needed anymore by Sleep as Android.
Location
Approximate location (network-based), precise location (GPS and network-based)
We use approximate location (network-based) to implement some of the cool location based features. We gather the location data and make them more coarse to +/- 5 km.
For all of this, we would be okay with approximate location permission. However for bluetooth connecting and pair tracking features, we have to also ask for precise location.
You can completely opt-out from location storing in Settings → Miscellaneous.
Microphone
Record audio
This permission is needed to access sounds form your microphone so that features such as Sleep noise recording or Sonar.
Photos/Media/Files or Storage
Read the contents of your USB storage, modify or delete the contents of your USB storage
We don’t touch your photos. We use this permission to export your sleep data to a CSV file (can be disabled in Settings → Privacy → Local backup) or to store noise recordings on the SD card.
Camera
Take pictures and videos
This is used by QR Captcha in order to scan barcodes / QR codes and to toggle flashlight in several features. Also the Smile CAPTCHA uses this to detect your smile to dismiss your alarm in the morning.
Wearable sensors/Activity data
Body sensors (like heart rate monitors)
Heart rate monitoring
Enables you to use heart rate trackers along with Sleep as Android
Phone
Read phone status and identity
Privacy → Handle phone calls
Used to stop lullabies or recording when you get into a phone call.
Device ID & call information
Read phone status and identity
Alarm
Used to stop ringing the alarm when you’re in-call.
Device & app history
Retrieve running apps
Calendar
Read calendar events plus confidential information, add or modify calendar events and send email to guests without owners' knowledge
Google Calendar
Allows the app to reschedule alarms according to calendar events and public holidays, if you configure it to do so.
Wi-Fi connection information
View Wi-Fi connections
Online radio alarm, IFTTT, Spotify, Smartlight
Used to check whether WiFi is available.
Other
Receive data from Internet
Lots of features such as online radios, weather reports, backup etc.
Other
Connect and disconnect from Wi-Fi
Online radio alarm, IFTTT, Spotify, Smartlight
Used while sleep tracking to briefly connect to Wi-Fi for features that you set up.
Other
View network connections
Other
Pair with Bluetooth devices
Oximeter, Sleep Phaser
Used to directly connect to Bluetooth devices.
Other
Access Bluetooth settings
Oximeter, Sleep Phaser
Used to directly connect to Bluetooth devices.
Other
Control Near Field Communication
NFC Captcha
Required for the NFC Captcha - to stop an alarm by scanning a NFC code
Other
Control vibration
Alarm
Allows alarms, lucid cues and anti-snoring to vibrate
Other
Draw over other apps
Alarms
Allows the app to start a full screen alarm window even on Android 10. Also this is required to be able to start Spotify alarms.
Other
Run at startup
Alarms
To be able to trigger your alarms after the device reboots.
Other
Control flashlight
Other
Prevent device from sleeping
Sleep tracking
We need to read data from sensors for the whole night. If the device goes to sleep, we cannot read data from sensors.
Other
Disable your screen lock
Other
Full network access
This is a companion discussion topic for the original entry at https://docs.sleep.urbandroid.org/general/permissions.html