Hypertension thrives on chronic insomnia

Insomniacs in a constant state of physiological hyperarousal who take longer than 14 minutes to fall asleep are at increased risk of hypertension.

There is a strong correlation between the degree of hyperarousal and hypertension, says Dr Xiangdong Tang, author of a study in the American Heart Association journal Hypertension.

The West China Hospital professor of sleep medicine