@Rodney-Mathee, I'm glad you told me it's wifi, not wired ethernet. That changes things. For one, that WakeMeOnLan.exe tool from Nirsoft won't work because it doesn't support wireless networks.

I've never tried "wake-on-wlan" but in theory it's possible with the right hardware.
https://documentation.ubuntu.com/core/explanation/system-snaps/network-manager/how-to-guides/configure-the-snap/wake-on-wlan/