Heart rate variability and daytime functioning in insomniacs and normal sleepers: Preliminary results☆
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☆ This study was conducted in the College of Nursing, Taipei Medical University, Taipei, Taiwan.
PII: S0022-3999(08)00038-X
doi:10.1016/j.jpsychores.2008.02.003
© 2008 Elsevier Inc. All rights reserved.
