Same rhythm in both genotypes: cosinor F-test for a difference p<0.05 4.8%; at least one of 12 time-point t-tests p<0.05 46.1%; with Bonferroni correction 4.8% KO amplitude halved (1.0 vs 0.5): cosinor F-test for a difference p<0.05 91.9%; at least one of 12 time-point t-tests p<0.05 82.9%; with Bonferroni correction 16.8% KO peak 3 h later: cosinor F-test for a difference p<0.05 99.9%; at least one of 12 time-point t-tests p<0.05 97.2%; with Bonferroni correction 34.1%