I think there is a very good chance you can reverse your condition. Just because you are not overweight doesn't mean the condition can't be diet related.

Suggestions
1. Cut the level of processed foods and salt in your diet.
2. Take 200 mcg of GTF chromium three times a day.
3. Take a good multivitamin that requires 2 pills for the dose and take one morning and one afternoon.
4. Get your vitamin D levels tested. Vitamin D deficiency has been linked to high blood pressure and insomnia. Certain ethic backgrounds (African American, Northern European, Native American, etc.,) are naturally vitamin D deficient and you said your hbp was hereditary. The test is 25-hydroxyvitamin D. Optimal values of 25(OH)D are 40-50 ng/ml. Acceptable values of 25(OH)D are 35-55 ng/ml.
Insominia
Chamomile tea 1/2 hour before bed.

Hope this helps.