Studying Circadian rhythm and sleep using genetic screens in Drosophila -- Dissecting the mechanisms of the clock in neurospora -- High-throughput and quantitative approaches for measuring circadian rhythms in cyanobacteria using bioluminescence -- Using circadian entrainment to find cryptic clocks -- Wavelet-based analysis of circadian behavioral rhythms -- Genetic analysis of Drosophila circadian behavior in seminatural conditions -- Methods to study molecular mechanisms of the neurospora circadian clock -- Detecting KaiC phosphorylation rhythms of the cyanobacterial circadian oscillator in vitro and in vivo -- The role of casein kinase I in the Drosophila circadian clock -- Purification and analysis of PERIOD protein complexes of the mammalian circadian clock -- Best practicies for fluorescence microscopy of the cyanobacterial circadian clock -- Structural and biophysical methods to analyze clock function and mechanism -- Identification of small-molecule modulators of the circadian clock -- ChIP-seq and RNA-seq methods to study circadian control of transcription in mammals -- ChIPpng away at the Drosophila clock -- Considerations for RNA-seq anlaysis of circadian rhythms -- RNA-seq profiling of small numbers of Drosophila neurons -- Analysis of circadian regulation of poly(A)-tail length -- Sample preparation of phosphoproteomic analysis of circadian time series in Arabidopsis thaliana