How to turn off the sleep alarm clock of Apple 1 1?

1. After entering Apple's mobile phone system, click Health Application, as shown below:

2. In the health application, click the Sleep option, as shown in the following figure:

3. Then select all timing and options to enter, as shown in the figure below:

4. After entering, select the switch behind the sleep timing, as shown in the figure below:

5. Click to turn off the sleep timer function, and you won't receive a sleep reminder, as shown in the following figure: