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. 2009 Feb 25;4(2):e4589. doi: 10.1371/journal.pone.0004589

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van Leeuwen et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Proliferation of PBMC after stimulation with phytohaemagglutinin (PHA, 45 µg/mL) and high sensitivity C-reactive protein (hs-CRP) concentrations in plasma. SR = sleep restriction, REC = recovery, Con = control group, Exp = sleep restriction group. Data are expressed as percentages of participant's individual baseline values (mean±SEM). * p<0.05.