Its good to know abt your passion to go something for country.
To get Good sleep, Avoid Using any electronic (Screened) Gadgets 2 hrs before you go to bed.
Take plenty of water in day.
Take 1 cup of hot milk
1 hr or1/2 hr before going to milk.
Try to read something whichever your interested firld related books before to sleep, Make this habit daily.
&also listen some melodious soft music in night which soothes the mind/Brain
Walk daily in night either 1 hr after or 1 hr before food.
Last but not least, Do meditation
or PRANAYAMA FOR 5-10 min. Just before you go to bed.(On bed itself, Which makes your Brain free from exhaustion, Gives relaxation, by improving good circulation of blood.
All the best.