Matthew 1:20
But while he thought on these things, lo! an angel of the Lord appeared to him in a dream, saying, Joseph, son of David, fear not to take to thee Mary thy wife; for that which is conceived in her is by the Holy Spirit.
Matthew 2:13
And when they had gone, lo! an angel of the Lord appeareth to Joseph in a dream, saying, Arise, and take the child and his mother, and flee into Egypt, and remain there until I speak to thee; for Herod will seek the child, to destroy him.
Acts 18:9-10
And the Lord said to Paul through a vision in the night, Be not afraid, but speak on, and be not silent;
Acts 27:23
For there stood by me this night an angel of God, whose I am, and whom I serve,