Latent class analysis of the sleep quality of night shift nurses and impact of shift‐related factors on the occupational stress and anxiety

Four distinct categories of sleep quality were identified among night shift nurses, with 56.34% in the 'Low Sleep Disorder Group'.

• The categories of sleep quality include 'Low Sleep Disorder Group', 'Moderate Sleep Disorder Group', 'High Sleep Disorder Non-Reliant on Sleeping medication Group', and 'High Sleep Disorder Reliant on Sleeping medication Group'.
• Factors such as working 3-4 night shifts per month, shifts lasting 9-12 hours, a sleep time delay of 2 hours or more after a night shift, and total sleep time of less than 4 hours are associated with increased occupational stress and anxiety.
• Higher frequency of night shifts and longer working hours could contribute to poorer sleep quality and greater occupational stress among nurses.

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