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...) At the most basic level, I'm testing the effect of sleep deprivation on various behaviours (e.g. amount of time spent awake, amount of time spend expressing difference textures, patterns, colours etc). I take a video sample of each octopus every hour for 72 hours and score their behaviour in Jwatcher. I'm using GLMM so that I can nest Individual as a random factor within Time, which I'm told will reduce the problem of making repeated measures (is this effectively blocking by time and by octopus?). Currently my model looks like this: octopus.lmer<-lmer(awake~as.factor(Treatment)+Sex...