Shocking statistics on suicide â¦ a leading cause of death in Guyana â Dr Leslie Ramsammy. The following was excerpted from a feature written by former Minister of Health, Dr Leslie Ramsammy on the suicide crisis currently sending shock-waves throughout Guyana.
Additional common causes of insomnia include: 1  Mental health disorders. Anxiety disorders, such as post-traumatic stress disorder, may disrupt your asleep. 2  Medications. Many prescription drugs can interfere with sleep, such as certain antidepressants and medications for asthma or blood pressure. 3  Medical conditions.
In most cases, it's probably ventricular fibrillation that causes these sudden deaths from fear. Ventricular fibrillation basically causes the ventricles (lower chambers of the heart) to vibrate in a way that hampers their ability to deliver blood to the body.