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@ARTICLE{Hein:267892,
      author       = {Hein, Emil and Halonen, Risto and Wolbers, Thomas and
                      Makkonen, Tommi and Kyllönen, Markus and Kuula, Liisa and
                      Kurki, Ilmari and Stepnicka, Philipp and Pesonen,
                      Anu-Katriina},
      title        = {{D}oes sleep promote adaptation to acute stress: {A}n
                      experimental study},
      journal      = {Neurobiology of Stress},
      volume       = {29},
      issn         = {2352-2895},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {DZNE-2024-00168},
      pages        = {100613},
      year         = {2024},
      abstract     = {Evidence of the impact of chronic stress on sleep is
                      abundant, yet experimental sleep studies with a focus on
                      acute stress are scarce and the results are mixed. Our study
                      aimed to fill this gap by experimentally investigating the
                      effects of pre-sleep social stress on sleep dynamics during
                      the subsequent night, as measured with polysomnography
                      (PSG).Thirty-four healthy individuals $(65\%$ females, Mage
                      = 25.76 years SD = 3.35) underwent a stress-inducing (SC) or
                      neutral control condition (CC) in virtual reality (VR). We
                      used overnight EEG measurements to analyze the basic sleep
                      parameters and power spectral density (PSD) across the sleep
                      cycles, and measured heart rate and its variability (HRV),
                      skin electrodermal activity (EDA), and salivary cortisol to
                      capture physiological arousal during the VR task and the
                      pre-sleep period.Following acute stress (SC), the amount of
                      slow-wave sleep (SWS) was higher and N2 sleep lower relative
                      to CC, specifically in the first sleep cycle. In SC, PSD was
                      elevated in the beta-low (16-24 Hz) and beta-high (25-35 Hz)
                      frequency ranges during both stages N2 and SWS over the
                      entire night.Sleep promoted adaptation to acute social
                      stress by a longer duration of SWS in the subsequent sleep
                      period, especially in early sleep. A similar homeostatic
                      effect towards restorative sleep is well-evidenced in animal
                      model stress studies but has not been previously reported in
                      experimental human studies. Whether the high-frequency PSD
                      activity during stages N2 and SWS also serves in the
                      resolution of transient stress, remains open.},
      keywords     = {Experimental study (Other) / Polysomnography (Other) /
                      Sleep (Other) / Stress (Other) / Virtual reality (Other)},
      cin          = {AG Wolbers},
      ddc          = {570},
      cid          = {I:(DE-2719)1310002},
      pnm          = {353 - Clinical and Health Care Research (POF4-353)},
      pid          = {G:(DE-HGF)POF4-353},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:38371490},
      pmc          = {pmc:PMC10869260},
      doi          = {10.1016/j.ynstr.2024.100613},
      url          = {https://pub.dzne.de/record/267892},
}