Sleep

The Physiology of Sleep

There are two key hormones involved in sleep – CORTISOL and MELATONIN. They govern our sleep-wake cycle, or our CIRCADIAN RHYTHM.

Melatonin

Melatonin is often referred to as the “sleep hormone” because it plays a central role in regulating the sleep-wake cycle. It is produced by the pineal gland in the brain in response to darkness and helps signal to the body that it is time to prepare for sleep.

Hypertension

Facts about Hypertension or High Blood Pressure

Why is High Blood Pressure, also called Hypertension, called “Silent”? To help us get a better understanding, here are some shocking facts about High Blood Pressure, from the World Health Organization.

An estimated 1.28 billion adults aged 30–79 worldwide have hypertension

An estimated 46% of adults with hypertension are UNAWARE they have it

Often, hypertension is silent, meaning there are NO SYMPTOMS