There are a lot of things not mentioned in the bible.
Fr. Francis Ching, CC
Always trust that God will multiply what you offer.
If both parties are Catholic, and if one or both parties either refuse or does not show adequate effort to be more serious with their faith, pastors are to deny them the celebration of the nuptial mass on the wedding day, but instead offer to have the wedding liturgy without mass instead.
Of course dreams could mean something. Since the time of the Old Testament, God spoke to us through signs and visions as well as dreams.
Click here for Fr. Francis' full answer If by saying praying to the saints you mean worshipping them, then absolutely the Catholic Church rejects such practice. It would be idolatry and is offensive to the Lord. But if you mean praying to them as imploring them to...