# OyasumiCho — Sleep Music, Gentle Wake-Up

> Sleep Music, Gentle Wake-Up (iPhone/iPad app by keiko onodera.)

- Source: https://appshunter.io/ios/app/oyasumicho/id6768625148 (this page in markdown: same URL + `.md`)
- Developer: [keiko onodera](https://appshunter.io/developer/1892796338)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 251 MB
- Languages: American English, Japanese
- Released: 2026-05-13
- Data updated: 2026-07-19
- User reviews in markdown: https://appshunter.io/ios/app/oyasumicho/id6768625148/reviews.md

## What is OyasumiCho?

Sleep gently with music, wake up refreshed.
  A sleep support app that belongs on your nightstand.

  WHO IT'S FOR

  - Those who want calming music to fall asleep
  - Parents who need lullabies or womb sounds for their baby
  - Anyone who wants café-style BGM for work or reading
  - Those who prefer waking up to gentle sounds
  - Anyone who wants to check the time at night without a bright screen

  SLEEP MUSIC (38 tracks, 6 categories)

  Café Jazz — Classy and calming
  Yoga & Relaxation — Breathe deeply in bed
  Synth & Chillout — Slow and quiet
  Ambient & Nature — Rain, fire and waves
  Deep Sleep — Drift off into space
  Baby & Lullaby — Gentle lullabies

  Each category includes a Mix (all tracks) and individual tracks.
  All music is created with commercially licensed audio.

  WORK BGM

  Use the Work BGM tab to loop your favorite sleep music as background music for daytime work or reading.

  ALARM SOUNDS (11 types)

  Classic alarm clock, digital alarm, bells & chimes, phone ringtones, rooster, bird calls, and forest cicadas. Preview any sound before selecting.

  SLEEP MODE

  Tap "Good Night" to dim the screen and start your music.

  - Music auto-stops after your chosen duration (30/45/60/90/120 min)
  - Gentle 30-second fade-out at the end
  - Screen stays on at minimal brightness — check the time anytime
  - Tap to briefly restore brightness
  - 3 darkness levels: Dark, Very Dark, Pitch Black
  - Snooze countdown shows remaining time

  ALARM

  At your set time, your chosen alarm sound fades in over 15 seconds.

  - Full-screen Stop and Snooze buttons
  - Snooze intervals: 3 / 5 / 9 / 15 / 30 minutes
  - Optional volume escalation with each snooze

  VOLUME

  Set sleep and alarm volumes independently (20-100%).
  Both use fade-in/out so sounds are never jarring.

  LANGUAGE

  Switch between Japanese and English anytime from the settings.

  PRIVACY

  No personal data is collected. All settings are stored locally on your device. Ads appear only in the Work BGM tab (Google AdMob, non-personalized). No ads during sleep mode or alarm. No in-app purchases.


## Version history (last 5 releases)

### 1.1.1 — 2026-07-09

This update refines the app description and search keywords.
We'll continue improving the app for a better sleep and wake-up experience.

### 1.1.0 — 2026-06-18

You can now choose music playback duration from 30 min to 2 hours. Screen brightness is adjustable in 3 levels. 5 new alarm sounds added. Snooze countdown timer now shows remaining time. English language support added.

### 1.0.2 — 2026-06-11

日中も使える「作業BGM」タブを追加しました。
38曲のおやすみ音楽から好きな曲を選び、作業や読書のあいだループ再生できます。曲はワンタップで切り替えでき、音量もその場で調整できます。
あわせて細かな改善と不具合修正を行いました。

### 1.0.1 — 2026-05-16

スヌーズの挙動を改善しました。
  スヌーズ後もおやすみ画面の暗化が維持され、
  指定時間が経過すると再びアラームが鳴ります。

### 1.0 — 2026-05-13

No release notes.

## More apps by keiko onodera

- [恐竜けし連鎖 - 恐竜パズル](https://appshunter.io/ios/app/id6763693380)
- [Hakaricho](https://appshunter.io/ios/app/hakaricho/id6764288054)
- [PuniCore - Squishy Collection](https://appshunter.io/ios/app/punicore-squishy-collection/id6778847706)
- [Canvas Park](https://appshunter.io/ios/app/canvas-park/id6780811249)

All apps by keiko onodera: https://appshunter.io/developer/1892796338

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-19.*