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Hard Work Makes It Hard to Sleep: Work Characteristics Link to Multidimensional Sleep Health Phenotypes.

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Employees exhibit distinct sleep health patterns, including good, catch-up, and poor sleepers. These patterns correlate with job characteristics, impacting well-being and productivity.

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Area of Science:

  • Occupational Health
  • Sleep Science
  • Psychology

Background:

  • Employee sleep is crucial for well-being and productivity, yet multidimensional sleep health is understudied.
  • Contemporary frameworks define sleep health beyond quantity/quality, including regularity, alertness, and efficiency.
  • The Job Demands-Control-Support Model is a key framework for understanding workplace stress.

Purpose of the Study:

  • To identify common multidimensional sleep health phenotypes among employees.
  • To examine the association between these sleep phenotypes and job characteristics.
  • To integrate sleep health frameworks with occupational psychology models.

Main Methods:

  • Latent class analysis was used on data from two large national samples of working adults (N1=2353, N2=1260).
  • The study analyzed five dimensions of sleep health: quantity, quality, regularity, efficiency, and daytime alertness.
  • Sleep phenotypes were linked to job characteristics (demands, control, support) using the Job Demands-Control-Support Model.

Main Results:

  • Three distinct sleep health phenotypes were identified: 'good sleepers,' 'catch-up sleepers,' and 'short, dissatisfied, inefficient, and irregular sleepers' (SDIIs).
  • 'Good sleepers' (optimal across all dimensions) reported low job demands, high control, and high support (low-strain jobs).
  • 'Catch-up sleepers' (longer sleep on non-workdays) reported high job control and moderate demands/support (active jobs).
  • SDIIs (suboptimal across multiple dimensions) reported high demands, low control, and low support (high-strain jobs).

Conclusions:

  • Multidimensional sleep health phenotypes exist among employees and are associated with specific job characteristics.
  • Findings support the integration of sleep health frameworks with occupational psychology, particularly the Job Demands-Control-Support Model.
  • Understanding these phenotypes can inform workplace interventions to improve employee sleep and well-being.