Peer-reviewed article
Sleep-deprived and behind the wheel: Exploring the impact of sleep patterns on new parents' driving behavior.
Sjaan Koppel, Hayley McDonald, Yue-Ling Ueng, Man Kei Ho, Jialin Xiao et al. ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This study examined sleep patterns and driving behavior among Australian parents of infants under 12 months. Parents reported severe sleep disruption (averaging 6 hours per night) and over 90% drove while fatigued in the past month. Fatigued driving was associated with higher rates of driving errors and violations. The research highlights road safety risks during early parenthood but focuses on parental behavior rather than child well-being outcomes.
Key points
- 1,160 Australian parents averaged 6 hours of sleep per night with poor sleep quality
- Over 90% reported driving while fatigued at least once in the past 30 days
- Parents who reported fatigued driving showed significantly higher aberrant driving behaviors across all measured categories
- Fatigued driving was more commonly reported than speeding, mobile phone use, or impaired driving
- Fatigue management strategies relied primarily on short-term behavioral approaches rather than fatigue-detection technologies
Limitations
This study measures parental driving behavior and sleep disruption but does not directly assess child safety outcomes or injuries. The cross-sectional design cannot establish causation or long-term consequences of parental fatigue on child well-being.
Abstract
INTRODUCTION: New parents commonly experience sustained sleep disruption in the postpartum period, yet their road-safety risk remains under-examined. This study investigated sleep patterns, the prevalence of fatigued driving, risk awareness, and fatigue-management strategies among Australian parents with at least one child under 12 months. METHOD: A cross-sectional design using an online survey was conducted using Qualtrics. Measures included sleep quantity and quality (modified Pittsburgh Sleep Quality Index), frequency and symptoms of fatigued driving, self-reported driving behavior (Driver Behavior Questionnaire), comparative risk awareness, and use of behavioral and technological fatigue-mitigation strategies. RESULTS: Among the 1,160 responses included in the analysis, participants reported substantial sleep disruption, averaging six hours of sleep per night with generally poor sleep quality. Over 90% reported driving while fatigued at least once in the past 30 days. Common self-observed symptoms included poor concentration, tired eyes, increased blinking, and an increased likelihood of driving errors. Participants who reported fatigued driving also reported significantly higher levels of aberrant driving behaviors (Aggressive Violations: t(1015) = -2.59, p = 0.01; Violations: t(1015) = -4.71, p < 0.001; Lapses: t(1015) = -6.23, p < 0.001; Errors: t(103) = -7.17, p < 0.001). Fatigued driving was reported more frequently than speeding, mobile phone use, or alcohol- and drug-impaired driving. Fatigue management relied primarily on short-term behavioral strategies such as caffeine intake and in-vehicle stimulation, while uptake and perceived effectiveness of fatigue-detection technologies were limited. CONCLUSIONS: New parents experience pronounced sleep disruption and frequently engage in fatigued driving associated with higher crash-risk behaviors. These findings highlight the need for greater attention to fatigue-related driving risk during early parenthood. PRACTICAL APPLICATIONS: Targeted road-safety messaging, healthcare-provider advice, supportive workplace policies, and clearer communication about fatigue-detection technologies may reduce fatigue-related driving risk during early parenthood.