Snehashish roy
Sleep duration has long been linked to overall health, but a physician with over 25 years of surgical experience has now warned that both insufficient and excessive sleep may significantly increase the risk of serious illnesses, including heart disease and certain cancers. The expert emphasised that maintaining balanced sleep habits is crucial, as extreme sleep patterns could signal underlying health issues or contribute to long-term complications.
According to the doctor, sleeping less than six hours a night is not simply a lifestyle concern but may gradually affect cardiovascular health. Chronic sleep deprivation has been associated with elevated blood pressure, impaired metabolism, and increased inflammation, all of which can contribute to heart-related problems over time. Medical experts have repeatedly highlighted that inadequate sleep is linked with higher risks of heart attacks, stroke, and metabolic disorders, underscoring the need for consistent rest.
However, the warning extended beyond sleep deprivation. The physician also cautioned against regularly sleeping more than nine hours, explaining that excessive sleep may indicate poor sleep quality, mental health struggles, or hidden medical conditions. Research has shown a “U-shaped” relationship between sleep duration and health risks, meaning both too little and too much sleep are associated with adverse outcomes. Long sleep duration has been linked with higher risks of obesity, coronary heart disease, and other metabolic complications, though researchers are still studying the precise biological mechanisms behind these associations.
The surgeon explained that the optimal sleep range for most adults typically falls between seven and eight hours per night, allowing the body to repair tissues, regulate hormones, and maintain brain function. Sleep plays a key role in cardiovascular recovery, immune health, and mental well-being. When sleep patterns become irregular or insufficient, the body’s internal clock may become disrupted, potentially affecting hormone cycles and cellular repair processes. Scientists have noted that disturbances to natural sleep rhythms may also contribute to cancer risks in certain cases, highlighting the importance of maintaining consistent sleep schedules.
In addition to duration, the quality of sleep matters significantly. The doctor advised maintaining regular bedtime routines, reducing screen exposure before sleep, avoiding heavy meals late at night, and ensuring a comfortable sleeping environment. Stress management and physical activity were also highlighted as key factors in improving sleep quality. Individuals experiencing chronic fatigue despite long hours of sleep were encouraged to seek medical evaluation, as conditions such as sleep apnea, depression, or hormonal imbalances could be contributing factors.
The warning comes amid growing global awareness of sleep as a critical pillar of health alongside nutrition and exercise. Many professionals continue to sacrifice sleep due to demanding schedules, while others struggle with irregular patterns caused by digital distractions or shift work. Experts believe that understanding the delicate balance between rest and activity is essential to preventing lifestyle-related diseases.
Ultimately, the message from medical professionals remains clear: sleep should neither be neglected nor overdone. Maintaining a consistent sleep routine within a healthy range is key to reducing long-term health risks and supporting overall well-being.