Thanks for writing your query to us.
You are being feeling tired & sleepy all the time that means you are not getting adequate sleep or your sleep is disturbed. Try to get a peaceful sleep of 7-8 hours duration.
Avoid tea, coffee in evenings.
Do some form of physical exercise. Try to keep yourself active & mobile. Be happy.
that will help you feel relaxed & lower your blood pressure.
Decrease salt intake & take your blood pressure medicines regularly.
Follow all this measures & you will surely notice the difference.