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Screen Time and Objectively Measured Sleep of U.S. College Students: A Brief Report
Donya Sedaghat1, Eunkyung Lee1, Jeanette Garcia2
1Department of Health Sciences, University of Central Florida, Orlando, Florida, USA.
International Journal of Exercise Science
|September 5, 2025
Summary
College students report high daily screen time (ST) and sleep duration averages. Those napping experienced significantly less daily ST, suggesting a link between sleep patterns and screen use.
Area of Science:
- Sleep science
- Public health
- Behavioral science
Background:
- College students often experience disrupted sleep and high screen time (ST).
- Understanding the relationship between ST and sleep quality is crucial for student well-being.
Purpose of the Study:
- To investigate screen time (ST) and objectively measured sleep quality in undergraduate students.
- To explore differences in ST and sleep based on weight status, race/ethnicity, and napping behaviors.
Main Methods:
- Participants: Undergraduate students from a southeastern U.S. university (n=29).
- Data collection: 14-day wrist accelerometer monitoring for sleep, self-reported ST surveys.
- Analysis: Examined associations between ST, sleep duration, and daytime napping.
Main Results:
- Average sleep duration was 433.8 minutes/night; average daily ST was 419.1 minutes.
- Students who napped reported significantly less daily ST (-92 minutes, p=0.04).
- Overweight/obese students and racial/ethnic differences were noted but require further investigation.
Conclusions:
- A negative association exists between daytime napping and daily screen time in college students.
- Further research with larger, diverse samples is needed to confirm causality and health implications.
- Findings highlight the need to address ST and sleep in college student health initiatives.
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