Common signs that your period is approaching are: You're breaking out. Acne is a common problem at this time of the month. ... Your breasts are sore or heavy. ... You're tired but you can't sleep. ... You have cramps. ... You're constipated or have diarrhea. ... You're bloated and gassy. ... You have a headache. ... You're having mood swings. More items... Apr 22, 2022