how come you're still up ? Shouldn't you be asleep by now ?   I've been having a hard time sleeping lately .   as far as I know , insomnia is usually caused by stress . Are you stressed at all ?   well , I'm really worried about my grades . I didn't think this course would be so stressful .   you're a good student . I'm sure you can do well . What you need to do is to relax .   you're probably right . I just wish it were that simple . How can I stop feeling so anxious all the time ?   taking a yoga class or learning some relaxation techniques can help you cope with your stress . 