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 effects do women experience after menopause? Bone density can decrease by 10-20 percent in the first 5-7 years after menopause . This increases the risk of back pain and fractures in minor injuries. What effects do women experience after menopause? During perimenopause , estrogen levels decrease and menstruation becomes irregular, which causes various physical and mental symptoms. When the ovaries' ability to produce eggs decreases and menstruation begins to become irregular, the stage before menopause (perimenopause) begins. During this period, estrogen hormone levels begin to decline and various symptoms appear. There are also racial and cultural differences in this process. According to the US 'Study of Women's Health Across the Nation', African-American (black) women experience early and premature perimenopause at a higher rate than white women. They have been found to experience vasomotor symptoms – hot flashes , longer-lasting (up to 10 years) and more pai...