Sleep loss linked to psychiatric disorders

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These images show how the emotional part of the brain (amygdala) is much more active when deprived of sleep. Top brain images show the response of the amygdala circled in green for study participants who viewed negative images after a normal night of ...
These images show how the emotional part of the brain (amygdala) is much more active when deprived of sleep. Top brain images show the response of the amygdala, circled in green, for study participants who viewed negative images after a normal night of sleep. Brain images below show the amygdala, circled in red, for participants who viewed negative images after 35 hours of no sleep. (Courtesy Matthew Walker/UC Berkeley)

It has long been assumed that sleep deprivation can play havoc with our emotions. This is notably apparent in soldiers in combat zones, medical residents and even new parents. Now there's a neurological basis for this theory, according to new research from the University of California, Berkeley, and Harvard Medical School.


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