How to set the sleep mode of mobile phone?

If you use a vivo phone, you can go to Settings-Battery-(More Settings)-and start the "Sleep Mode". After the sleep mode is turned on, the sleep mode will intermittently receive background messages at 0-6 o'clock or 23:30-7:00 in the middle of the night, which will not affect the reception of telephone calls and short messages, nor will it affect the reception of messages during the day and when the bright screen is used, saving electricity and protecting sleep.

If you have more questions, you can go to official website /vivo Mall APP-My-Online Customer Service or vivo official website Web Edition-Slide to the End-Online Customer Service-Enter the manual customer service for consultation and understanding.