Dreaming that you are younger means illness or sadness.
Pregnant women dream that they will miscarry soon when they are young.
The old man dreamed that he was young and was about to die.
The patient dreamed that he would grow old and soon recover.
I dreamed that young people would be strong and lead a luxurious life when surrounded by them.
Dreaming that your wife is much younger indicates a happy and happy family.