15: Biological Rhythms and Sleep Last updated Feb 28, 2025 Save as PDF 14.10: Fill in the Blank 15.1: Introduction Page ID237011 OpenStaxOpenStax ( \newcommand{\kernel}{\mathrm{null}\,}\) 15.1: Introduction15.2: What Are Circadian Rhythms?15.3: Where Are Rhythms in the Brain?15.4: Regulation of Sleep15.5: Disorders of Sleep and Circadian Rhythms15.6: Circadian Rhythms and Society15.7: Section Summary15.8: Key Terms15.9: References15.10: Multiple Choice15.11: Fill in the Blank