Bipolar Disorder in Shift / night workers: Prevalence, Risk & Key Differences

Key things to know What the evidence shows
How common is it? NE
Is it more common among shift / night workers? Shift work does not establish higher BD prevalence, but disrupted circadian rhythms are clinically relevant
Are shift / night workers at higher risk? Sleep/circadian disruption can destabilize existing bipolar illness
How much higher is the risk? Not established universal
How often can it be missed? High because sleep disruption may be normalized as part of the job
Does it show up differently among shift / night workers? Yes contextually
How might it look different? Irregular sleep and circadian disruption can complicate recognition of decreased need for sleep
What commonly occurs alongside it? Sleep disorders; substance use
What can it be confused with? Shift-work sleep disorder; sleep deprivation; stimulant effects
Common screening tool MDQ
Separate screening tool for shift / night workers None
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