Thanks for all these additional information.
I understand your concern.
Well as you describe,possibly your headache can be associated such elevated blood pressure.
So you should hydrate yourself with plenty of fluids.
Limit your salt intake.
Also take OTC Aspirin.
You should do deep breathing exercises.
And take a proper sleep.
You should start a multivitamin supplement.
And eat small amounts of food at regular intervals.
Limit your smoking intake.
Monitor your blood pressure after 3 hours.
And if your blood pressure'll be higher than 170/100 mm Hg then visit emergency room.
Otherwise see your doctor tomorrow.
Let me know if you have any further query so we can discuss it thoroughly in every aspect.
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