plees-tracker is a simple sleep tracker for your Android phone.

The latest version is v24.2.4, released on 2024-06-01.


This is meant to be a very simple open source clone of PrimeNap, i.e. just track sleep start/stop times and count the average / day.


  • It literally does nothing while you sleep, causes no battery drain.

  • Stores past sleeps, counts stat from them.

  • Exports/imports sleep data to/from CSV.

  • Can show past sleeps, can selectively delete individual sleeps.

It looks like this:


plees-tracker is free and open source. You can find the source code on GitHub and issues and feature requests can be posted on the issue tracker. If you'd like to contribute, please consider opening a pull request.


Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.