Remote3 looses conection to Denon AVR after waking up Remote 3 from sleep

Lately my Remote 3 has started loosing connection to my Denon AVR after coming out of sleep (5 minutes after any kind of activity). It hasn’t always been like this, so I am a bit confused as to why it suddenly has happened. It ends up getting a connection, but only after a handful of minutes of waiting.

Does anyone know any best practices to ensure a solid connection (static IP maybe?) between the Remote 3 and an Denon AVR?