7 Apr. 2023
Android OSiOS

Server maintenance notice

Thank you for using “JUKUSUI”.
We are planning server maintenance on the following schedule. Please note that some services of the deep sleep alarm cannot be used during maintenance work.

■ Maintenance date and time
Tuesday, April 11, 2023 11: 00-15: 00(*)
* The end time may change depending on the work situation.

■ Functions not available during maintenance(*)
・ Official website (
・ Data synchronization with cloud services
・ Support chat
・ My data
* It does not affect sleep recording and record confirmation in the app.

We apologize for the inconvenience and thank you for your understanding.