Long and Short DRX concept

Specs & Protocol Testing
1

Hi expert

Can I get concept for long DRX when UE will move to wake up stage?
How UE and eNodeB will communicate in synch?

2

Here is an explainer video upon Long/Short (C)DRX concept: Energy Saving Techniques for UE in 5G: RRC States, DRX, and CDRX - YouTube