Fig 4. Injection of human TNFα increases sleep in Eiger mutants.
(A,B) Baseline sleep profiles are shown for EGR1 mutants (A) and EGR3 mutants (B) injected with vehicle (PBS) or 1000nM recombinant TNFα. Two-way ANOVA revealed a significant time by drug interaction for the EGR1 mutants (F(1,20) = 91.49, p < 0.0001) and for the EGR3 mutants (F(1,20) = 18.74, p < 0.0001). Tukey Post Hoc analysis was used to identify significant changes in sleep between PBS and TNFα injected flies (* = p < 0.05). (C-F) Student’s t-tests revealed that the increase in sleep was not associated with an increase in bout length during the day or night in either genotype (p > 0.05).