Linux mint suspend after more than 1 hour

Trying to determine ideal time for suspending the machine but found that maximum time Linux mint allows before it can suspend the machine is 1 hour. After researching a bit, found that we can extend this time. These are the commends :

1. sudo apt-get install dconf-editor
2. Open Menu->dcong-editor
3. In dconf-editor, org > cinnamon > settings-daemon > plugins > power and manually set the value for the "sleep-inactive-ac-timeout" (it's in seconds)