Sleep Quality and Academic Performance in Higher Education Students

Poor or irregular sleep is a pervasive issue among university and college students worldwide, with most surveys indicating that well over half of undergraduates report suboptimal sleep quality. Academic demands, fluctuating schedules, lifestyle factors and digital distractions converge to disrupt sleep duration, consistency and restorative depth. Inadequate sleep impairs attention, working memory and executive function, all of which are critical for learning, examination performance and sustained academic engagement. The interplay between sleep and mental health further compounds educational outcomes, as insomnia and daytime sleepiness are closely linked to anxiety, depression and reduced participation. Conversely, interventions that enhance sleep hygiene, regularise sleep–wake cycles or employ cognitive behavioural strategies have demonstrated promise in bolstering students’ cognitive resilience and grade-point achievement. From biometric monitoring to digital self-help tools, recent advances point to scalable approaches for identifying at-risk students and delivering tailored support to optimise both sleep health and scholastic success.

Research from Nature Portfolio

A cross-sectional investigation among medical undergraduates in a sub-Saharan African setting revealed that poor sleep quality was highly prevalent, with average global scores indicating substantial fragmentation and daytime dysfunction. Significant differences emerged across academic years, with first- and final-year cohorts exhibiting the worst sleep efficiency and subjective sleep quality. These findings underscore the need for culturally appropriate sleep education, behavioural interventions and institutional policies to mitigate sleep disturbances and thereby support cognitive performance and academic progression.

Sleep Quality and Academic Performance in Higher Education Students publication trend

The graph below shows the total number of articles in sleep quality and academic performance in higher education students across all publications each year (not limited to Nature Index journals).

Technical terms

Pittsburgh Sleep Quality Index (PSQI): A standardised self-report questionnaire that assesses sleep quality and disturbances over a one-month interval, yielding a global score to distinguish good from poor sleepers.

Cognitive Behavioural Therapy for Insomnia (CBT-I): A structured intervention combining behavioural modifications and cognitive techniques to alter maladaptive thoughts and habits around sleep and restore healthy sleep patterns.

Sleep chronotype: An individual’s endogenous preference for timing of sleep and wakefulness (often described as “morningness” or “eveningness”) that influences optimal learning times and vulnerability to sleep disruption.

References

1. Sleep quality among undergraduate medical students in Rwanda: a comparative study. Scientific Reports (2023).
2. Sleep quality, duration, and consistency are associated with better academic performance in college students. npj Science of Learning (2019).
3. The relationship between sleep and wake habits and academic performance in medical students: a cross-sectional study. BMC Medical Education (2012).
4. Effectiveness of a guided digital self-help intervention to improve sleep and the biological clock in university students – Study protocol for a randomized controlled trial. Internet Interventions (2024).
5. Sleep and Mental Health in Undergraduate Students with Generally Healthy Sleep Habits. PLOS ONE (2016).