Hello Friend, Good that you are seeking a help here. There are many reasons for sleeplessness. Most common could be stress or anxiety. Suggest you first find out the actual root cause, than simply taking such syrup. Surely you can can find a solution without medicine.
Take Psychology counseling support first to assess your current suitation and to find the suitable solution.
Next Steps
Feel free to reach out to me online through Practo app for further evaluation and recommendation.