Tips on getting my 2 year old to sleep in his own room?

Please no Judgement or rude comments

I am a single mother of two a 1 year old daughter and a 2 year old son. For the past 17 months we have been in the shelter system because of DV. After 17 long months we are moving into our 2 bedroom apartment. So for the last 17 months both kiddos have been in my room. Tips on How can I transition my two year old in his own room?