Permissions#

To provide its comprehensive suite of features, Sleep as Android requires specific system permissions. Below is a detailed breakdown of how and why each permission is used.

Permission	Feature(s) Using This	Why it’s needed
Microphone	Sleep noise recording Sonar tracking	Required to analyze sleep sounds (snoring, talking) or to use ultrasonic waves for contactless movement tracking.
Location	Sunrise wakeup Geotagging Pair tracking Bluetooth wearables	Used to detect local sunrise times and weather. Note: Coarse location (±5 km) is used for tags. Precise location is required by Android to scan for Bluetooth/BLE devices.
Camera	CAPTCHA tasks Flashlight cues Pee-light	Used to scan QR codes/barcodes for CAPTCHAs, or to detect your smile. Also required to control the physical flashlight for visual alerts.
Storage / Media	Backup & Restore Sound recording	Used to export your sleep data to CSV and to store your nightly audio recordings on your device.
Nearby Devices / Bluetooth	Smartwatches Sleep Phaser Oximeters	Required to communicate with and collect data from external hardware and wearables.
Body Sensors	Heart rate monitoring	Required to read real-time pulse and HRV data from your smartwatch or chest strap.
Phone / Call Info	Alarms & Recording	Used to automatically mute alarms or pause recording if you are currently on an active phone call.
Calendar	Google Calendar	Allows the app to automatically skip alarms on public holidays or reschedule them based on your upcoming events.
Display over other apps	Fullscreen alarms	Required for the alarm screen to appear over your lock screen. Also necessary for Spotify to launch during an alarm.
Notifications	Alerts	Required to send you “Time to go to bed” reminders and “Are you still awake?” checks.
Battery Optimization (Ignore)	Sleep Tracking	Essential for preventing the system from killing the app in the middle of the night. Learn more at DontKillMyApp.com.

Technical & Other Permissions#

Near Field Communication (NFC): Used exclusively for the NFC CAPTCHA task.
Run at startup: Ensures your scheduled alarms remain active even after your phone reboots.
Prevent device from sleeping (Wakelock): Keeps the app active so sensors can continue reading data throughout the entire night.
Full network access: Used for cloud backups, online radio streams, and weather updates.
Vibration control: Allows the app to trigger haptic feedback for alarms and cues.

*Need further help or more information? Contact us via *Left ☰ Menu → Support → Report a bug or Contact support** or use the (?) Helpbutton →Contact support→ `.