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.
Symptoms and causes of insomnia are different for every patient. Insomnia symptoms may include: Fatigue. Problems with attention, concentration or memory (cognitive impairment) Poor performance at school or work. Moodiness or irritability. Daytime sleepiness. Impulsiveness or aggression.