Hello Friend, Good that you are seeking a help. Sleep is very important and essential for both physical and mental health. Reason for sleeplessness are many and most common one is mental stress, improper lifestyle, bad sleeping routines etc.
Start Improving your bedtime routine. Avoid your phone and TV atleast one he before sleep, start your sleep Time around 10.
Next Steps
Feel free to reach out to me online through Practo app for a detailed evaluation to figure out the root cause and to explore suitable solutions that you can follow practically to overcome this stress and sleeping issue