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Poor Sleep Lowers Activity Level of Those With PTSD

By Senior News Editor
Reviewed by John M. Grohol, Psy.D. on July 17, 2014
Poor Sleep Lowers Activity Level of Those With PTSD

A new study suggests that compromised sleep quality as a result of post-traumatic stress disorder (PTSD) can lead to a reduction in physical activity.

Limited physical activity, in turn, is linked to negative health outcomes such as obesity.

“We found that sleep quality was more strongly associated with physical activity one year later than was having a diagnosis of PTSD,” said lead author Lisa Talbot, Ph.D. “The longitudinal aspect of this study suggests that sleep may influence physical activity.”

In other words, people are more apt to be physically active after a good night’s sleep.

Study results are published in the Journal of Clinical Sleep Medicine.

“This study adds to the literature that shows that better sleep leads to healthier levels of exercise, and previous research has shown that better sleep leads to healthier food choices,” said American Academy of Sleep Medicine President Dr. Timothy Morgenthaler.

“It is clear that healthy sleep is an essential ingredient in the recipe for a healthy life.”

The study involved data from the Mind Your Heart Study, a prospective cohort study of 736 outpatients recruited from two Department of Veterans Affairs (VA) medical centers.

PTSD was assessed with the Clinician-Administered PTSD Scale (CAPS).

At baseline participants rated their sleep quality overall during the last month, and at baseline and again one year later they reported how physically active they have been during the last month. Of the 736 military veteran participants, 258 had current or subsyndromal PTSD.

According to Talbot, the results suggest that behavioral interventions to increase physical activity should include an assessment for sleep disturbance.

“The findings also tentatively raise the possibility that sleep problems could affect individuals’ willingness or ability to implement physical activity behavioral interventions,” she said.

“Sleep improvements might encourage exercise participation.”

According to the National Center for PTSD of the U.S. Department of Veterans Affairs, PTSD symptoms such as nightmares or flashbacks usually start soon after a traumatic event, but they may not appear until months or years later.

Symptoms that last longer than four weeks, cause great distress or interfere with daily life may be a sign of PTSD.

Source: American Academy of Sleep Medicine

 

APA Reference
Nauert, R. (2014). Poor Sleep Lowers Activity Level of Those With PTSD. Psych Central. Retrieved on December 20, 2014, from http://psychcentral.com/news/2014/07/17/poor-sleep-lowers-activity-level-of-those-with-ptsd/72592.html