Title: Correlation Between Sleep Duration and Cognitive Performance in Undergraduates Key Facts / Constraints Primary focus: relationship between sleep duration and cognitive performance. Secondary observations: stress and caffeine consumption (not central to analysis). Sleep duration was self-reported over four weeks. Average sleep of 7–8 hours correlated with improved short-term memory. Cognitive performance results varied by domain: Some tests showed negligible differences. Others showed moderate improvement. Sample size: 84 undergraduate participants. Findings are preliminary and not broadly generalizable. Critical Dependencies or Conditions Reliance on self-reported sleep data introduces recall bias. Limited sample size constrains generalizability of results. Open Questions or Ambiguities Inconsistency of effects across different cognitive domains. Extent to which stress and caffeine consumption influenced results (not fully examined). Excluded Information Repetition of limitations, narrative emphasis, and detailed descriptions of secondary observations were omitted.