Fig. (2).

Patterns of sleep in B6129PF2/J (wild type) and p50 knockout (KO) mice. The amount of time spent in slow-wave sleep (SWS; A) and rapid-eye-movement sleep (REMS; B) are expressed as percentage of recording time spent in each state. Delta wave amplitude during SWS (C) is expressed as a percentage of mean values measured over the entire 24 h recording period. The black bar along the x-axis denotes the dark phase of the diurnal cycle. Solid circles, F2 (wild-type) mice (n = 16); open circles, p50 KO mice (n =14). Each datum point denotes a 2-h average ± S.E.M. *Significance at the specified time point (p < 0.05 by ANOVA and independent Student’s t-test). Modified from Jhaveri et al. (2006), Am J Physiol Regul Integr Comp Physiol 291, R1516-1526, with permission from the American Physiological Society.