Hello Friend, Good that you are seeking a help. Stress is an outburst of emotional disturbance in your mind and it's disturbing your sleep . Sleep is very important for ones mental and physical health. So don't prolong this issue within you. If you can't ventilate your emotions to  your family or friends , then take a professional help. Online counseling can help you in such suitations. Feel free to talk to a psychologists online and express your emotional issues. I am sure you will be able see a different prepective of your problem and be able figure out root cause and suitable solutions.

Hi u need to consult any psychiatrist personally and get ur evaluation done properly it will help you more.

Feeling low, having crying spells, sleep and appetite disturbances, and difficulty in concentration and attention are some of the signs of Depression. Consult a Psychiatrist for a detailed assessment. It is likely with medication and counseling the symptoms will improve. If you are feeling suicidal or hopeless consult a Psychiatrist immediately.