How do I Disable Sleep Mode on MacOS?

You must disable Sleep mode on the computer in order for Schedules Tasks to operate properly.

1. Click on the Apple menu bar and select System Preferences.

2. Select the Battery icon from the System Preferences window.

3. Click the Power Adapter tab and then move the slider beside Computer Sleep to "Never" and un-check put the hard disk to sleep whenever possible.

Here is further information: 1. https://support.apple.com/guide/mac-help/mchle41a6ccd/mac

2.https://stacksportsportal.force.com/customersupport/s/article/Turning-Off-Sleep-Settings