The overall cognitive ability and memory score of the subjects whose shift time exceeds 10 years decreased significantly, which is equivalent to the cognitive ability decline caused by age within 6.5 years. The scores of cognitive ability of subjects whose shift time is less than 10 years also decreased slightly, but there was no significant difference compared with those who did not shift.

Extended data:

Precautions:

Make at least a cup of tea at night shift, prepare tea or coffee to refresh yourself and resist fatigue.

Be prepared to drink warm clothes, the weather will get cold late at night to prevent freezing.

Don't sleep long in the middle of the night. Be sure to set the alarm clock to prevent it from affecting your normal work until dawn, but it is easy to catch a cold.

After the night shift, you must drive or wash your face when driving home. You are usually sleepy, so you should prevent fatigue and traffic accidents and have a strong sense of security.

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