On Nintendo Switch, when hosting a multiplayer world, time freezes when you open the keyboard by chat, command blocks, etc.

Effects

• Items such as fishing rods cannot be used.
• Blocks cannot be interacted with or placed.
• Entities cannot be interacted with, damaged or spawned.
• Command blocks stop working.
• Ticking areas fail.

This might have something *to do with the game's ticking engine.*