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 DRS or Umpire Decision Review System in cricket? Cricket lovers must have heard about the Decision Review System or DRS and they must know how any team can challenge the decision of the umpire with the help of this rule of cricket. Recently some changes have also been made in this rule. With the help of these changes, this rule has been strengthened further. At the same time, a lot of criticism has also been made about this rule. After all, what is this rule and with the help of which technology this decision review system is used.