Poor sleep makes you FEARFUL and can increase risk of PTSD

Better sleep primes your brain to be less fearful, new research shows.

While poor sleep has long been seen as a symptom of trauma and anxiety, the findings from Rutgers University show short and erratic shut-eye could also be a trigger for fear.

Through brain scans and sleep-monitoring exercises, the researchers found consistent quality sleep decreased activity in the brain regions involved in fear learning.

Experts say this evidence shows soldiers' sleep patterns should be monitored before entering war zones, to decrease their risk of post-traumatic stress disorder.

While poor sleep has long been seen as a symptom of trauma and anxiety, the findings from Rutgers University show short and erratic shut-eye could also be a trigger for fear (file image)

While poor sleep has long been seen as a symptom of trauma and anxiety, the findings from Rutgers University show short and erratic shut-eye could also be a trigger for fear (file image)

The aim was to monitor how much REM sleep each participant got in the study, then to monitor how this affected their fear learning in their brain.

REM sleep (rapid-eye movement sleep) is the phase in which muscles are the least active. It accounts for around 25 percent of total sleep,

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