I get overwhelmed so easily!!Does anyone have any tip?!?!?

everyday whether its just trying to get to school on time to, or just thinking about work......i get stressed out so easily...i feel like its crippling me....unless i have nothing to do...i feel like i just have more and more stuff just piling up i have to do and i get this overwhelming feeling of hopelessness. HOW CAN I GET OVER THIS!!!