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Sleep & GPA Among College Students

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Stephanie Cook

on 20 April 2011

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Transcript of Sleep & GPA Among College Students

Sleep & GPA Correlation
Among College Students THESIS:
People with an average of 6 hours of sleep or more, will be more likely to have a higher GPA.


59 % of adults, ages 18-29, describe themselves as night owls. Self described morning people
have higher GPAs. Previous research surveys tell us that those who slept less have lower GPAs. Students typically sleep 6.79 hours on weekdays
9.3 hours on weekends This is due to: daytime sleepiness, lowered levels of attention, impaired
memory/lack of memory consolidation, poor decision making, reduce in motivation,
increases in risk taking behavior, depression, weaker immune system and impaired social
relationships. Presented By:
Marissa Miller
Elizabeth Curry
Stephanie Cook Neurocognitive consequences of sleep deprivation develop permanent sleep disorders microsleeps response suppression in prefrontal cortex Cognitive Performance Errors of omission:
behavioral lapses/failure to respond to stimulus Errors of commission:
response to no/wrong stimulus short term & working memory decrease Our Research/Findings Average GPA overall was 3.2 (n=73) Students slept an average total of 45.23 hours per week.
6.46 hours per night. 68% Female
32% Male Hours of Sleep

> 6 (Short Sleepers)
Average GPA- 3.24

7-8 (Medium Sleepers)
Average GPA- 3.54

9+ (Long Sleepers)
Average GPA- 3.3 Hours of Studying

Short Sleepers
28 hours

Medium Sleepers
25 hours

Long Sleepers
22 hours CONCLUSION:
Our research showed that college student who slept more than 6 hours on average had a 3.0 or higher GPA (3.5). This proved that our thesis was accurate, however, from this research we found that students who also sleep 6 hours or less on average also have a 3.0 or higher (3.2).
This is a whole "letter grade" difference on a 4.0 grading scale. The amount of sleep one would get on an average week is shown to affect grades. People who are short sleepers tend to study more possibly
from factors such as major and poor memory consolidation. Bibliography:

Buboltz, W.C, Brown, F., & Soper, Barlow. (2001). Sleep habits and patterns of college students: a preliminary study. Journal of American College Health, 50(3), 131-135.


Kelley, W.E, Kelley, K.E, & Clanton, R.C. (2001). The relationship between sleep length and grade-point average among college students. College Student Journal, 35(1), 84-86.

Durmer, J.S, & Dinges, D.F. (2001). Neurocognitive consequences of sleep deprivation. College Student Journal, 35(1), 84-86.
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