We are planning to move DS2 from the nursery to the spare bedroom - other end of the house closer to his brother

Is there a right/wrong time?
Hes coming up to 11 months.

I was thinking Id wait until his current teething episode is over and his sleep settles a bit, but then moving to the new room might unsettle him anyway?

The other concern I have is that his waking at night will interrupt DS1s sleep a lot more being closer in proximity to him.