Hello
Try these measures-
Go to bed at the same time each night and get up at the same time each morning, including on the weekends. Bed is only to sleep do not read book or use phone on bed.
Make sure your bedroom is quiet, dark, relaxing, and at a comfortable temperature.
Remove electronic devices, such as TVs, computers, and smart phones, from the bedroom.
Avoid large meals, caffeine, smoking and alcohol before bedtime
Get some exercise.
Next Steps
Consult for any further advise.