Feeling tired and sluggish on hot sunny days is not a rare phenomenon. According to experts, this is a natural reaction of the body when having to adapt to high temperatures and changing environments.
According to Dr. Aravinda SN, Chief Consultant, Internal Medicine Specialist, Aster RV Hospital, Bangalore (India), when the temperature rises, the body must work harder to maintain a stable temperature. This process causes the body to lose water and electrolytes by increasing blood flow to the skin and sweating continuously. Even mild dehydration can reduce energy, making it difficult to concentrate and making you feel tired.
In addition, the cardiovascular system also has to work harder in hot weather. The heart needs to pump more blood to the skin surface to support the heat dissipation process, thereby increasing pressure on the body. This is especially evident in people working outdoors or exercising at high intensity.
Quality of sleep is also an important factor. High temperatures at night make it difficult for the body to fall a deep sleep, leading to insufficient sleep and fatigue the next day. When sleep is interrupted for many consecutive days, feeling exhausted can become more obvious.
Besides, eating habits in the summer often change. Many people tend to eat less or choose light meals, leading to not providing enough energy for the body. This also contributes to increasing feelings of fatigue.
High humidity is another factor that is often overlooked. When air is humid, sweat is difficult to evaporate, making it difficult for the body to cool down effectively. This prolongs the feeling of heat and makes the body quickly exhausted.
Some signs that the body is experiencing heat stress include hot skin, heavy sweating, headache, dizziness, rapid heartbeat, nausea, or severe fatigue. In severe cases, the patient may be confused or lose consciousness and need timely medical support.
To limit fatigue in the summer, maintaining reasonable living habits is very important. Drinking enough water helps replenish lost fluids, while a balanced diet helps provide the necessary energy for the body. In addition, you should limit going out in hot weather, choose cool clothes and ensure you get enough sleep.
Summer fatigue is the result of many combined factors, from dehydration, pressure on the cardiovascular system to poor sleep and changes in living habits. Understanding the causes will help you proactively adjust your lifestyle to maintain energy and protect health on hot days.
