In The Duke of Zhou, dreaming of corn means that all your wishes have come true, which means that what you have been expecting is about to come true. Newcomers have had such dreams, which shows that pregnant people can go back and forth safely and smoothly. Having such dreams shows that people in healthy fetal love have had such dreams, which shows that mutual respect for marriage is expected.
Dreaming is a normal physiological phenomenon. When we are sleeping, some cells in the brain are still active, which will lead to dreaming.