A lack of sleep can affect the genes associated with both DNA repair and DNA damage. As previous studies point out, just a small amount of sleep deprivation can begin to impact your gene expression.
Certain areas of society may naturally experience more sleep deprivation than others such as shift workers or new parents. Research shows that there is a link between sleep deprivation in shift workers and adverse health effects. This includes an increase in DNA damage which significantly impacts the development of chronic diseases. Further research is needed to delve deeper into the effect sleep deprivation can have on your DNA.
The emerging field of epigenetics suggests that epigenetic changes actually happen following sleep deprivation . In the future, these changes in the epigenome could be targeted to help with sleep-related disorders and treatment. Epigenetics refers to the way your self-perception encodes your DNA. You are an extension of your environment and these perceptions you have could eventually impact your mental and physical health.
Related: DNA, RNA and Epigenetics
2. Increase the Risk of Early Death
Although the majority of people know that they should get seven hours of sleep every night, it doesn’t always happen. Whether it’s a busy schedule, shift work, or sleep-related disorders, many people don’t get enough sleep.
Research shows that people who consistently get less than six hours of sleep every night were 12% more likely to experience early death over 25 years. Another study published in the Journal of the American Heart Association found that sleep deprivation may play a pivotal role in cardiovascular disease. In the United States, stroke and heart attack are two of the biggest killers. Evidence suggests that sleep may play a bigger role in these types of diseases than originally thought.
3. May Raise the Risk of Cancer
Long-term sleep disruption may increase the risk of cancer. Cancer and sleep have long been intertwined. For example, several years of shift work may throw off your biological clock and increase your risk of cancer. This is because exposure to light during nighttime hours may lower your melatonin levels. In turn, this could encourage cancer to grow .
When you consistently don’t get enough sleep and your circadian rhythm is disrupted, it may put you at a higher risk of several health issues. One study found a relationship between cancer and women with irregular work schedules . Your work can majorly influence your sleep cycle and intervene with your normal sleeping behavior.
Related: The Science Behind Our Sleeping Habits: How We can Use It