Google’s Sleep API to Improve Sleep Tracking, Save Your Phone Battery Google Sleep API will come built in the Google Play Services. By Sourabh Kulesh | Updated: 26 February 2021 18:48 IST Photo Credit: Google Highlights Sleep As Android uses Google Sleep API Sleep As Android can be downloaded from the Android Store Google Sleep API is being made publicly available, and this will allow sleep tracking apps on Android smartphones use less power to detect sleep patterns, the tech company said. The Sleep API will be built right into Google Play Services, and will centralise sleep detection processing. It is one the Activity Recognition APIs which, “with the user's permission, can detect user's activities such as whether a user is biking or walking”. Google has collaborated with Urbandroid, the developer of the popular alarm app, Sleep As Android, for this.