If I understand correctly, if my computer connects to the internet via wifi I cannot remotely wake it if it is sleeping. Is that right? The computer is quite far from the modem and a cable is not practicable.
WoWLAN works with some hardware / network adapters, while it just plain does not work with others...
https://answers.microsoft.com/en-us/windows/forum/windows_10-networking/enabling-wowlan-wake-on-wireless-lan/803af7e3-f3e1-445b-beba-221928b98dc4