Why do you suddenly wake up at 3 am? Here's the scientific reason The problem of waking up at 3 am is linked to the natural fluctuations of the cortisol hormone , and stress increases it. Many people have trouble waking up suddenly at exactly 3 am or between 3 and 4 am. Some consider it a ghost or an ominous sign, but according to science, it is an important signal related to the body's internal clock and hormones. If you also frequently wake up at 3 am, you should not take it lightly. This may indicate that your sleep cycle is disrupted and stress has increased in the body. The main reason for sleep disturbance at this time of night is the natural fluctuations of the cortisol hormone. Circadian rhythm : Relationship with the body's internal clock There is an automatic 24-hour clock running inside our body, which is called the circadian rhythm, or biological clock. This clock controls when we sleep, when we wake up, when we eat, and when we are energetic. This clock is ...
What is Metabolism and How It Works Metabolism is a collection of chemical reactions in the cells of the body. Whatever we eat to increase our physical energy, synthesis of biological substances, it helps in the production of energy and cells through important chemical reactions of metabolism. Metabolism is the function of easily providing nutrients, growth and the necessary molecules that operate smoothly in the body. The production of energy is one of the main components of metabolism.