Sleep Tight, Catch a Light
Human Health and Behavior
Liv Kaynak
- Grade:
- 5
- Teacher:
- Carina Wilhite
For my project, I did an experiment on how sleep affects reaction time. I tested three participants, one who got nine hours, seven hours, and five hours of sleep. I tested who would have the highest reaction time by using a website that measures it. My hypothesis was that the person that would get nine hours of sleep would have the highest reaction time because lots of sleep promotes fast reflexes and high response time to stimuli, and I was correct. This is because the person that got nine hours of sleep had an average reaction time of 313 milliseconds, the person with seven hours of sleep got an average of 348.8, but the person that got five hours of sleep had an average of 637.4.
I thoroughly enjoyed learning about the impact of sleep on reaction times! Your choice of topic was both personally relevant and scientifically rigorous. I was very impressed by your methodology, particularly your decision to perform multiple trials for each test group to ensure reliability. Your analysis was also very strong; identifying and discussing the outlier in your five-hour sleep data shows a sophisticated understanding of the scientific process. Your presentation was clear, and you demonstrated a solid grasp of how sleep affects our reflexes. Keep up the excellent work, and I encourage you to continue exploring the fascinating links between human biology and daily performance!”
This is a clear and well-organized experiment exploring an important real-world question about sleep and reaction time. I appreciate how you designed your study with different sleep groups and tested each participant multiple times to calculate an average which shows strong attention to fairness and accuracy. Your conclusion was clearly supported by your data, especially noting the difference between the nine-hour and five-hour sleep groups. It’s impressive that you connected your findings to scientific research about sleep and memory. Understanding how sleep affects performance is an important topic, and you did a great job investigating it in a measurable way. Keep asking thoughtful scientific questions and testing them with data you are developing strong research skills!
Your project asks an important question about how sleep affects reaction time. I like that you tested different sleep amounts and repeated the reaction test several times for each participant. Your results support the idea that getting more sleep can improve performance. Great job exploring how sleep impacts our brain and reflexes!