
Study on 18 nurses found day shifts had increased HRV coherence during sleep (circadian rhythm), while night shifts showed autonomic dysregulation, suggesting HRV coherence as a novel marker.
Where Published: Applied Psychophysiology and Biofeedback, 2018. DOI: 10.1007/s10484-018-9419-z
Authors: James B. Burch, Melannie Alexander, Pallavi Balte, et al.
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