SomnoSloth: Open-Source Offline App Aims to Ease Developers Into Sleep

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Developer Harshit Raj has released SomnoSloth, a free, MIT-licensed bedtime relaxation app timed to International Sloth Day on October 20. The app runs entirely in the browser without cloud dependencies, synthesizing ambient rain, fire, and drone sounds with the Web Audio API instead of downloading audio files. It offers slow, conflict-free bedtime stories, a sleep fade that gradually lowers volume over 15 to 45 minutes, and a private space to offload racing thoughts. It also works offline after initial loading, and includes a crisis guardrail linking to free support resources.

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