Fig. 2
From: Interleukin-1 receptor (IL-1R) mediates epilepsy-induced sleep disruption
Sleep difference between IL-1R1 +/+ and IL-1R1 −/− mice. a Represents the data of NREM sleep and b indicates the values of REM sleep. Closed circles represent the data obtained from the IL-1R1 +/+ mice, and open circles represent the data obtained from the IL-1R1 −/− mice. Asterisk refers to a statistically significant difference between two groups. The black bar indicates the 12-h dark period and the white bar indicates the 12-h light period