If hypertension is not properly treated, it can lead to death from ischemic heart disease in approximately 50% of patients; stroke in 33%; and kidney failure in 10 to 15%. Hypertension is a disease whose prevalence increases each year and appears to be closely linked to sleep disturbances and the use of sleeping pills.
The Relationship Between Hypertension and Sleep

Many patients with high blood pressure report difficulty falling and staying asleep, which is why many resort to sleeping pills.

Effects and Risks of Sleeping Pills