Impact of Night-Shift Work on Sleep Patterns in the French Pastry Industry
Overview of the Study
A French research team explored the disruptive effects of night-shift work on sleep patterns and disorders within the pastry industry. Shift work poses several challenges, affecting not only family and social commitments but also individual sleep quality. Workers on night shifts often experience shorter and poorer quality sleep during daylight hours compared to nighttime sleep. Previous studies indicated that sleep loss from shift work can lead to various sleep disorders and chronic health issues. However, these studies primarily focused on employees in large companies with compensation for shift-related inconveniences.
Methodology
The recent study, published in BMJ Open, investigated how shift work impacts individuals and small business employees, specifically within the French pastry sector. A cross-sectional telephone survey was conducted with 2,622 night-shift workers, including 1,313 men and 1,309 women aged 22-50 years. Participants comprised pastry producers and shopkeepers. The survey included questions about sleep habits, total sleep duration during workdays, ideal sleep preferences, and napping practices. Additionally, the researchers assessed the prevalence of sleep disorders like sleep apnea and excessive sleepiness.
Findings on Sleep Patterns
Participants reported an average of six to seven hours of sleep within a 24-hour period but expressed a desire for seven to eight hours on workdays. Women tended to sleep longer and desired slightly more sleep than men. Many workers compensated for sleep deficits with naps; 58% of pastry producers took a 75-minute nap, aligning with recommendations for night-shift workers. In contrast, only 23% of shopkeepers, who began work later, took shorter 45-minute naps. Notably, while 90% of male participants were pastry producers, and 74% of female participants were shopkeepers, the tendency to nap increased with age for both genders.
Prevalence of Sleep Disorders
The study revealed a concerning prevalence of sleep disorders among participants. Approximately 9.3% to 11.5% experienced moderate sleep debt, indicating a gap between actual and desired sleep times, while 5% to 6% faced severe sleep debt. Additionally, 12.4% reported moderate excessive sleepiness, with 2.9% experiencing severe sleepiness, both of which adversely affect driving safety. Chronic insomnia affected about one-quarter of participants, and nearly one-third exhibited symptoms indicative of obstructive sleep apnea. Insomnia was more prevalent among women, whereas sleep apnea was more common in men.
Implications for Night-Shift Workers
Although the survey’s findings were subjective and not clinically verified, the study highlights that sleep loss and disorders are significant issues for night-shift workers in both small and large businesses. Since employees in smaller operations may lack access to the same compensation and resources, it is essential to develop strategies that protect the health of night-shift workers across all business sizes.
Conclusion
This research underscores the need for greater awareness and intervention strategies to address the health challenges faced by night-shift workers, particularly in small businesses where resources may be limited.
Reference
Pepin E, et al. Shift work, night work and sleep disorders among pastry cookers and shopkeepers in France: a cross-sectional survey. BMJ Open. 2018. 8: e019098. doi: 10.1136/bmjopen-2017-019098.