Google -> late night food and dreams
And you'll find articles like:
How Does Food Affect Your Dreams?There has not been any research to determine how and if food specifically affects dreams, says Donna Arand, PhD, clinical director of the Kettering & Sycamore Sleep Center in Ohio.
“However, if a person eats any food that upsets their stomach, gives them heartburn, or makes them feel ill, that can make their dreams unpleasant,” she says, because any type of physiological discomfort can lead to bad dreams.-snip-
(this part is cute)
The smell of food can affect dream content, says Arand. “For example if you are sleeping in the morning and your partner starts frying bacon, you might find yourself dreaming that you are eating bacon and eggs,” she says. “Or if coffee is brewing you might find yourself making coffee or drinking a cup of hot coffee. You basically incorporate the stimulus into a dream activity.”
Continued here:
www.chow.com/food-news/55306/how-does-food-affect-your-dreams/