Night time diapers?

Danielle • ENGAGED💍4/13/18. Mother to an 12 year old 👱🏻‍♀️ and a 6 year old 👦🏻 stepmom to a 9year old 👦🏻 and expecting our 🌈 👶🏻 💙5/2/18

I’m prepping for my little boy due in may and I’m planning on using an all in 2 system. I’ve used flats and prefolds in the past this time around I’m going to use buttons diaper covers with flats and inserts, however I’m wondering if I should get a few pockets for night time?