Family Life Knows Everything.

Chapter 192
Some people like to sleep with the light on, and feel a sense of security in their hearts.Medical researchers have confirmed that turning on the light while sleeping can inhibit the secretion of melatonin and reduce the immune function of the human body.Therefore, medical experts warn that sleeping with the light on not only affects the body's immunity, but is also prone to cancer.

There is an endocrine organ called the pineal gland in the human brain. When the human body enters a sleep state at night, the pineal gland secretes melatonin. This hormone is secreted most vigorously from 11 o'clock in the middle of the night to the early morning of the next day, and it stops secreting after dawn. .The secretion of melatonin can inhibit the excitability of the human sympathetic nerve, lower the blood pressure, slow down the heart rate, allow the heart to breathe, strengthen the immune function of the body, eliminate fatigue, and even have the effect of killing cancer cells.

family life made easy

A new study from Birmingham Women's Hospital in the UK shows that blue lights can keep night shift workers awake at work, so people who need to work overtime at night can consider using blue lights to resist sleepiness.

(End of this chapter)