The Wireless Schedule in your modem's wireless setttings allows you to set days and times that your WiFi network turns off automatically. The wireless light on your modem will turn amber when the wireless (radio) signal is disabled.
If you have a modem with CenturyLink's Secure WiFi, you can set a wireless schedule and much more from the CenturyLink app.
6. Select Wireless Schedule in the menu on the left side.
7. From here you can select Enable to turn on scheduling mode. Then set the days and times that you want your WiFi network to be disabled. When you're done adjusting the schedule, select Apply to save your changes.