Sleep Tracker
&Alarm
Clock

睡眠が見える目覚ましアプリ

JUKUSUI is a multi-functional alarm which supports your sleep and awakening.
However, this is really easy to use- find out your favorite function! It’s free!

CONTACT US

Support

Email: jukusui〔at〕c2inc.co.jp
*For any inquiries about JUKUSUI, please contact us by e-mail.
Business Hourse: 11 am - 5 pm JST, Monday - Friday(We will be closed for national holidays, summer and winter vacations.)

For any inquiries about how to use this app or bug reports, please email us directly from inside the app.
You can do so by going to "Menu" -> "Information" -> "Send email to support team".