Sleeper - Sleep Time Tracker

Sleeper - Sleep Time Tracker is a productivity app by Bract Studio with 100+ downloads (about 373 estimated). +14 installs in the last 7 days. Released Feb 7, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Experience the ultimate night's rest with Sleeper's smart timing engine. Designed to help you drift off without worry, Sleeper automates your device settings so you can focus on sleep. Key Features: Smart Auto-Lock: Set your timer and drift off. Your phone will lock automatically and lower the volume once the timer…”