Hello Friend, Good that you are seeking a help here. While there are many reasons for distrubed sleep, but the most common one is mental stress or anxiety. Just analyze what has majorly changed in your recent lifestyle or job or relationship, that could have triggered such emotional disturbance. As body and mind are interlinked, such emotional distress can affect the body function like palpitations, nervousness, breathing issue, sweating, sleeplessness, constipation, lack of appetite and many more.
Take a professional help to assess your suitation and symptoms to figure out the reason such emotional imbalance, so that you can overcome this problem by following certain changes in lifestyle or self therapies or exercise etc..
Next Steps
Call me directly or online through Practo for further detailed evaluation and suitable recommendation.