Harms of sleep deprivation:

1, emotional instability. Chronic fatigue is emotionally unstable, because sleep and emotion are regulated by the same brain chemicals.

2, aging before age. Hormonal changes during sleep promote blood flow to the skin, so sleep well, the skin is more radiant and elastic. A number of studies have found that skin renewal at night is eight times faster than during the day, reducing wrinkles more efficiently.

3, resistance becomes worse. Sleep-deprived people are more likely to contract diseases. In a foreign study, researchers gave healthy participants injected cold virus. The results found that less than 7 hours of sleep, the participants infected with cold and flu virus 3 times higher. And those who slept only four hours for several nights in a row had a weaker immune response to the flu vaccine they received.

4, unresponsive. Even making tea will spill it on the new clothes you just bought. Such clumsiness may be the fault of lack of sleep. Dr. Clete Kushida, director of the Human Sleep Research Center at Stanford University, said that there is a great deal of evidence available to show that people who are sleep deprived are slow to act, poorly focused, unresponsive and have worse motor skills. In addition, drowsiness can lead to impaired balance and deep perception.

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