Circadian Rhythms: Experiment Circadian Rhythms are the times of day that you get either hungry, tired, or energetic. This paper is to describe an experiment that I have thought up that will test to see if circadian rhythms differ from people who perceive themselves as night-time people and people who perceive themselves as morning people. What is your hypothesis? My hypothesis is that night-time people's circadian rhythms are extremely different than morning people's circadian rhythms. What population are you going to study? How will you sample this population? Participants for my experiment will be ninety-nine undergraduate female