don't drink too much water eat water like fruits which contains 80-90% of water.
maybe sleep on the rooftop and wake up with rising sun , looking at sun rise and do kapalbathi and surya namaskar for at least 15-20 minutes with 1 minute gap, within a week your will seen tremendous changes in your self.

If you really want to be transform than meditate for 30 seconds every day.
Just for 30 seconds pay attention to your breath
When inhaling : say " I am not the body"
When exhaling: say " I am not even the mind"

Start for 30 seconds and than increase it upto your own potential.

Than after 2 weeks start practicing yoga for at least 30 minimum. You must have to form a habit of waking up early at 4:00 AM.

If you don't want to do that than stay alive with medicines