Music designed to support sleep, focus, and calm — composed by Dudadius, shaped by science, and purpose-built for daily use.
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Spindles is a carefully curated music and sound environment created by Emmy-nominated composer Bryan Rheude (Dudadius). The app features purpose-composed analog and acoustic music, immersive soundscapes, and gentle auditory patterns designed to support sleep, focus, and calm.
Rather than stimulation or alarms, Spindles emphasizes gradual transitions and sustained states — helping you drift into sleep, remain focused, or wake gently. The experience is informed by neuroscience and shaped by years of compositional practice, with a focus on clarity, restraint, and long-form listening.
Spindles is used by listeners seeking better rest, deeper focus, or relief from anxiety, tinnitus, or attention challenges — without hype, pressure, or distraction.
Version 2.0 introduces a refined listening experience, including Wake Transition, intelligent playlist flow, and flexible playback controls designed to fit naturally into daily routines.
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Thanks, John. Glad you tried it and found it useful!
UX refinements
Version 2.4
The developer, Redsquared Inc, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
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Other Data
Privacy practices may vary, for example, based on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More