I'm trying to find a movie in which a man turns into women in night and than again turns into man in day...

i m trying to find a movie in which a man turns into women in night and than again turns into man in day...
Dr. Jekyll & Mrs. Hyde maybe?

There is also a movie called "Switch" with Ellen Barkin and Jimmie Smits. She is a man trapped in a woman's body at night, and I believe she goes back to normal in the morning.