Hello dear, the headache is due to the high blood pressure, it's stretching the blood vessels inside brain. Due to that headache and insomnia is there. I would advice you to decrease his salt intake. Bp will come down slightly due to this. He requires medical treatment for this otherwise this problem may worsen. I advise you to take this problem seriously. Pain killers and sleeping pills will do harm only if the primary problem is not resolved. Tc
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