Biological Causes Of Anxiety Disorder
In a self-report study, 70-91% of participants with PTSD reported having problems falling or staying asleep (Maker et al, 2012, p. 567). Pillar et al estimate that patients with PTSD are awake more than half the time that they are in bed. Studies have found that those with PTSD have more rapid eye movements than normal. This could be related to threatening, hostile dreams (Pillar et al, 2000, p. 189). 19-71% of PTSD patients surveyed reported having nightmares (Maker et al, 2012, p. 567). Sleep disturbances related to PTSD are often treated with sedative antidepressants. BZD’s are sometimes used, but can be dangerous because tolerance may result (Staner, 2003, p.