Research

Hormonal

Rotating night shift work (RNS) significantly increases the risk of chronic fatigue, sleep disorders, and cardiovascular symptoms compared to day shift work.

If you work rotating night shifts, your body is fighting its natural clock, leading to higher risks of heart issues, poor sleep, and exhaustion. This isn't just 'being tired'; it's a physiological stressor. Prioritize sleep hygiene aggressively on days off, and advocate for schedule designs that allow for adequate rest (e.g., at least 11 hours between shifts) and clockwise rotation, which are less disruptive to your circadian rhythm.

GoodSupportsHIGH confidence
The nurses engaged in rotating night shifts were statistically significantly younger, more frequently single, and had Bachelors and Masters degrees in nursing. They reported the lowest mean score in the items of job satisfaction, quality and quantity of sleep, with more frequent chronic fatigue, psychological, and cardiovascular symptoms in comparison with the day shift workers, in a statistically significant way.
Paola Ferri et al. · Risk Management and Healthcare Policy · 2016

Why this rating

Cross-sectional study with a decent response rate (86%) and statistical significance, but lacks longitudinal causal proof and has a relatively small sample size (n=232).

Source

The impact of shift work on the psychological and physical health of nurses in a general hospital: a comparison between rotating night shifts and day shifts

Paola Ferri et al. · Risk Management and Healthcare Policy · 2016

DOI 10.2147/rmhp.s115326

cross_sectional · n=232Cited 385×
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DOI resolved against Crossref · corpus check 2026-06-10

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