View in HD at . Version 13.2 of audioOS for the HomePod included two new features that could be useful if your HomePod is in the bedroom. You can now ask Siri to play a collection of endlessly looping ambient sounds, such as Forest, Stream, Fireplace, Night, Ocean, Rain and White Noise. This effectively makes your HomePod a white noise machine, one with amazing speakers. You can also ask Siri to set a sleep timer for these sounds, or any music you are playing.