Fig. 6

Number of slow waves during baseline and after SD during LD12:12 (n = 6) and LD1:1 (n = 5) conditions. Top row: baseline data, bottom row: sleep deprivation data. a and e: hourly number of SWs during baseline and after SD in LD1:1 and LD12:12 conditions. b and f: slow wave density (number of SWs/SWS time/min) during baseline and after SD in LD1:1 and LD12:12 conditions. Panel c: averaged SW numbers/hour in odd and even hours (LD12:12) and in light and dark hours (LD1:1). d: SW numbers/12 h in the CT1-CT12 and CT13-CT24 periods, in LD1:1 and LD12:12 conditions. g: SW numbers in the first third of the recovery period (R1–R6 hours) SW numbers during CT9, CT11, CT13 baseline hours vs recovery period hours R1, R3, R5 (bright hours in LD1:1). SW numbers during CT8, CT10, CT12 baseline hours vs recovery period hours R2, R4, R6 (dark hours in LD1:1). h: SW numbers summarized in different time periods after SD compared to the corresponding baseline periods without SD. Black and white bars at the x axis show the illumination pattern in the different hours. Significance was tested with two-way ANOVA with time and treatment as factors, followed by Sidak's multiple comparisons test. Significance levels: *, #—p < 0.05; **, ##- p < 0.01; ***, ###—p < 0.001. Data are expressed as mean ± S.E.M