First of all cause of stress I need to know. Any stress brings up inner conflict and mind is continue occupied battling it. Which will affect body hormone cycle tremendously. Brain is constant alert and not relaxed so sleep is absent. Mind is in anxiety . I need detailed history of stress .
Next Steps
Medication is required or simple Bach Flower therapy would work amazing which is absolutely natural. Then venting out her stress n conflict with some one. Her age is young and young adults often go through lot of conflicting situations in order to find their own identity . better visit an expert for complete relief.
Health Tips
first Tell her to do what she likes and gain happiness.