Turns out women who are naturally early risers were found to have a lower risk of developing breast cancer. Cancer risks associated with a person's body clock and sleep patterns have been reported in previous researches as well as any genetic factors underlying this. Self-reported preferences for mornings or evenings (by their own definition of that preference) were recorded in more than 180000 women led by Dr. Rebecca Richmond a researcher. The team of researchers also analysed genetic variants linked to whether someone is a morning or night person in more than 220000 women to find out if these could