Cytokines.

Plasma concentration of cytokines IFNγ (pg/mL), IL-2 (pg/mL), TNFα (pg/mL) and IL-17 (pg/mL) in different groups: SHAM+CTRL (sham procedure followed by sleep control condition, n = 10), SHAM+PSD (sham procedure followed by 48 h of paradoxical sleep deprivation, n = 10), PSO+CTRL (psoriasis induction followed by sleep control condition, n = 11), PSO+PSD (psoriasis induction followed by 48 h of paradoxical sleep deprivation, n = 8) and PSO+SR48 (psoriasis induction followed by 48 h of sleep rebound, n = 10). No statistically significant differences. Values expressed as mean ± SEM.