Start improving your life style and diet-make regular daily schedule like time for every activity including sleep.don’t do work upto sleep.keep 30 minutes for sitting in fresh air;in silence and thinking of positive things in your life;go to bed;bed room be silent with good ventilation and clean.Have your dinner before 8 pm.You may take a glass of warm milk before sleeping.

Do exercise ;yoga;pranayama;meditation;chit chatting with loved ones daily.Be little philosophical-when you feel anxiety—consider life as a short train journey of 30-40 000 days—where you are getting in at some station—empty handed—and getting down at some station-empty handed—-By your death—so enjoy this short journey with Co passengers like relatives;friends and colleagues-go with beautiful memories in your soul-when getting down-empty handed—leave your anxiety;tension;depression;fear;anger etc and smile;encourage ; help and make others happy—you will get good sleep—see this old doctor is getting good sleep because-I am helping thousands by giving such advice- Thank you so much for your very important question