Scientists from the University of Helsinki have identified the cause, which are not suitable for all shift work.
As it turned out, it depends on the gene responsible for the production of melatonin receptors.
Experts have established that fatigue from shift work experience those people who have the body produces melatonin in large quantities. Accordingly, if less melatonin is produced, then a person can work a day without experiencing significant discomfort due to sleep disorders.
Research staff are advised when choosing work to consider the individual characteristics of the organism, and are not forced to do inappropriate work.
