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ToolSeptember 27, 2026

SleepManager

Android sleep/wake manager that cuts standby battery drain on the AYN Thor and other handhelds.

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Description

SleepManager is an Android app that reduces standby battery drain on handhelds like the AYN Thor. The basic idea: when your handheld sleeps, stop or disable what doesn't need to be running, and restore it properly when you wake the device. It can manage Wi-Fi, Bluetooth, Syncthing-Fork, BasicSync, Tailscale and JamesDSP, and it was born out of the developer's frustration with Android handheld standby drain — some devices lost around 14% overnight or were completely dead after a few days. No root, Shizuku or ADB is required for normal use.

Setup guide

  1. Download and install the latest SleepManager APK from the latest release.
  2. Install the optional SleepManager Helper if you want Wi-Fi or Bluetooth control.
  3. Open SleepManager and choose what you want it to manage during sleep.
  4. Enable SleepManager, then tap Finish setup.

SleepManager always tries to restore only what it changed — for example, if Wi-Fi was already off before sleep, it stays off after wake.

Features

  • Turn Wi-Fi and Bluetooth off during sleep and restore them safely on wake.
  • Pause and resume Syncthing-Fork; manage BasicSync, Tailscale and JamesDSP.
  • Run optional syncs before sleep, after wake or periodically while sleeping with supported providers (advanced sync modes require BasicSync 3.19+).
  • Track sleep battery drain, mAh use, deep sleep and standby estimates, including a 7-day average and best/worst measured drain.
  • Keep an activity log and copyable diagnostics.
  • Check and install stable updates from inside the app.

AYN Thor

SleepManager adds extra options when it detects the Thor lid sensor. Closed-lid protection puts the Thor back to sleep if it wakes unexpectedly while the lid is still closed, instead of restoring Wi-Fi, Bluetooth and other services too early — this needs Android Device Admin permission. It understands when an external display is connected, so docked use is not treated as a false wake. Optional Thor controls include Sleep when external display disconnects and Power button sleeps with lid closed.