Authors:

Galen Guo

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About Paper:

Sleep is a biological mechanism heavily influenced by the circadian clock and is vital for homeostasis. Our research aims to build upon previous sleep studies and introduce a new method of tracking sleep via temperature to illustrate the circadian mechanisms responsible for sleep. Given that Drosophila relies on the environment for temperature regulation, a temperature gradient, and AI tracking assay was conducted over a 2-day (12H:12H) light/dark cycle to track sleep patterns. Analysis was performed using proprietary software to compare locomotor activity and body temperature rhythms (BTR). Wild-type (W1118 and CS) Drosophila lines were controls for general sleep patterns compared to Per, Tim, and Clock gene mutants. Results demonstrate that W1118 had a robust sleep pattern with average sleep bouts at their greatest during ZT16 to 17 before decreasing as the light phase began. This contrasted our mutant lines, which displayed inconsistent but similar sleep durations throughout the dark cycle. These results corroborate past studies on Drosophila circadian rhythms, revealing the circadian clock's role in sleep regulation and illustrating that our software is a valid tool for tracking sleep. The insights gained from Drosophila can elucidate sleep mechanisms and potential implications for sleep-related disorders. Sensor-Driven Home Monitoring for Alzheimer's Patients Jinsi Guo

Source:

UC Davis / Neuro Physio & Behavior / 2025

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Co-authors:

Galen Guo