High blood pressure

http://www.mayoclinic.com/health/high-blood-pressure/HI00016/NSECTIONGROUP=2
http://www.prevention.com/health/health-concerns/how-lower-blood-pressure-naturally

• Check your monitor's accuracy. 
• Measure your blood pressure twice daily. 
• Don't measure your blood pressure right after you wake up.
• Avoid food, caffeine, tobacco and alcohol for 30 minutes
• Sit quietly before measuring your blood pressure.
• Make sure your arm is positioned properly when measuring.
• Don't talk while taking your blood pressure.  

http://www.webmd.com/sleep-disorders/guide/understanding-obstructive-sleep-apnea-syndrome?page=2

• hibiscus tea  
• Dark chocolate varieties contain flavanols that make blood vessels more elastic
• Loud, incessant snores are one of the main symptoms of obstructive sleep apnea (OSA). If you have high blood pressure, ask your doctor if OSA could be behind it; treating sleep apnea may lower aldosterone levels and improve BP. sleep test called a polysomnogram, or PSG.
• People with sinus problems or nasal congestion, who are more likely to experience sleep apnea, can try nasal sprays to reduce snoring and improve airflow for more comfortable nighttime breathing.
•