###Human: I am unable to sleep at night because of stress. Please help. ###Assistant: Hello. I feel sorry for your loss. Your problems are stress, unable to sleep at night and body pain. So, basically it is your stress that is leading to other problems. Stress can be managed both by medication as well as by lifestyle modifications (behavior therapy). First, try lifestyle modifications which include: Also, proper sleep hygiene needs to be practiced daily, so as to help you to maintain good sleep in the long run. Sleep hygiene entails following important points. These lifestyle modifications will help in improvement of symptoms and you will feel better. If symptoms persist even after lifestyle changes, then visit a psychiatrist. Drugs like Modafinil or Armodafinil will help to maintain daytime alertness and will reduce fatigue. Visit a psychiatrist for proper prescription of this drug.