Excessive stress, plus sleep late. Regarded as a popular behavior of people. You can notice that during the examination or during homework, we will have the acne,because when we stress the body to secrete hormones which stimulate the hormones, sebaceous glands to produce more oil comes out. It make to get the acne, it's because that's when we stress the body to secrete hormones which stimulate the hormones, sebaceous glands to produce more oil comes out. Making the acne is more