You are currently viewing Shift Work Disorder Mnemonic

Here is a quick mnemonic “INTENSIVE CARE to remember about Shift Work Disorder

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, MBBS, NEET PG, FMGE, NExT, MCAT & NCLEX exams

Shift Work Disorder : How To Remember Easily ?

  • I – Individuals working at night or in the early morning may experience sleep loss and circadian misalignment.
  • N – Night-shift workers and sleep-deprived individuals face greater safety hazards and an increased risk of accidents.
  • T – The circadian timing system struggles to adapt to inverted schedules and early morning start times.
  • E – Excessive work hours, insufficient time off, and frequent travel contribute to sleep deficiency and impaired alertness.
  • N – Night-shift workers have higher rates of various health disorders, including cancer and cardiovascular diseases.
  • S – Sleep disturbance doubles the risk of fatal work accidents and is classified as a probable carcinogen.
  • I – Individuals who fail to recognize sleepiness signs are vulnerable to sleep-related accidents.
  • V – Vehicle operators with inadequate sleep experience slowed reaction times and automatic behaviors, leading to catastrophic consequences.
  • E – Expert consensus advises against driving with less than 2 hours of sleep in the prior 24 hours.
  • C – Crashes and accidents are more likely during the early morning and late afternoon hours due to increased sleep tendency.
  • A – Adverse consequences of sleep deprivation affect physicians working prolonged shifts, including impaired performance and increased medical errors.
  • R – Resident physicians working >16 consecutive hours without sleep are considered hazardous to both themselves and their patients.
  • E – Individuals with severe shift-work disorder (SWD) experience excessive sleepiness and insomnia, posing a risk of accidents and associated illnesses.


Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department