Could i Be ready?

When I woke up this morning I had a really bad headache to the point where I didnt want to do anything.. And I just felt like my body had taken a beating. Has anyone else ever felt like this and gone into labor anytime soon. Also I hear that raspberry tea is suppose to help induce your labor. Is that actually true. And if so how. I know people are saying castor oil helps but then I hear that all it does is makes you go to the bathroom all night. Someone please help