App Store
Version 4.0 · 2026-01-30
• Bug fixes and performance improvements.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 4.0, updated 2026-01-30.





Store screenshots supplied by the developer.
Wake up gently and improve your sleep. Feel refreshed and rejuvenated every morning!
Tired of being jarred awake? Wake up gently to high-quality natural sounds from around the world. Choose from gentle rainstorms, ocean waves, streams, morning bird calls, wind chimes and many more!
Or try a beautiful 4- or 6-sound wake-up sequence. You'll wake up feeling refreshed and full of energy every morning.
Want to get 7, 8 or more hours of sleep every night? Sleep Science tracks your sleep each night and helps you achieve your personal sleep goal.
Want to understand your sleep over time? Sleep Science provides meaningful graphs over weeks, months and years so you can see how your sleep improves.
Want to learn what affects your sleep? Sleep Science lets you record notes about changes in bed-time routine, exercise, stress, and more. You can even put notes on your sleep graphs.…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
• Bug fixes and performance improvements.
sleep-science-alarm-clockWhat the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
No itemized purchase list is available for this listing.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
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