![]() When our body clocks are misaligned, whether through shift work or other disruptions, that provides for changes in physiology, biochemical processes, and various behaviors.įor example, one physiological change is melatonin production disruption. Irregular sleep and waking cycles stop the correct control mechanisms from functioning correctly. When a circadian rhythm gets completely disturbed, it can lead to various health disorders. Shift work, especially rotating shift work, is confusing to our internal body clocks. If our internal body clocks are correctly synchronized, they coordinate all our biological processes to happen at the correct time of day or night. Why are our bodies and brains so affected by night shifts? Research has shown that disrupted sleep cycles can lead to impaired brain function, decreased reaction time, impaired memory and emotional control, early cognitive decline, and Alzheimer's. If we are not getting quality rejuvenation time, our brains don't get the chance to repair and process our experiences properly. ![]() The brain and body rest and recharge while we sleep. Loss of quality sleep has been attributed to the prevalence of these ailments. Night shift work has also been shown to raise the risks of mental health issues such as nervousness, irritability, and anxiety as consequences of stressful working conditions. Without proper management, these issues can lead to metabolic disorders, elevated levels of triglycerides, reduced HDL cholesterol, increased fasting glucose, and high blood pressure. When that rhythm is interrupted or frequently inverted, the body's metabolizing ability is significantly altered. A typical daily cycle (circadian rhythm) goes through stages of wakefulness during daylight hours and sleep during the night.Ī healthy circadian rhythm promotes the release of certain hormones which influence metabolism. You are more likely to be asked to work night shifts in sectors such as: Night shift workers comprise around twenty percent of the global shift workforce. ![]() Some industries are more affected than others. Maintaining a healthy diet and low to no alcohol consumption can help keep your brain and heart health while working night shifts.
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