Working at Night is Bad for Women

A study published in National Academy of Sciences of the United Kingdom is showing that the shift of the sleep cycle affects cognitive function and mood of women and men in different ways. According to scientists, women experience night shifts worse, and employers should take this into account.

Our biological clock (circadian rhythms) regulates the diurnal cycles of the organism during the transition from wakefulness to sleep, helping the brain to coordinate the various processes - production of hormones, metabolism, blood pressure.There is evidence that some circadian characteristics (frequency of the clock signal, the production of the sleep hormone melatonin) are different in men and women, affecting mental functions. In simple terms, the changes of circadian rhythm have different effects on the brain of men and women.

For the study, researchers studied 16 men and 18 women in a controlled sleep laboratory. In this way, their day lasted 28 hours instead of the usual 24. As the days passed, the participants began to sleep out of sync with their internal clock. Something similar happens to the brain when working at night or when you change time zones.

Every 3 hours during waking hours, participants were performing objective tests of effectiveness (attention, memory, motor coordination). They also passed subjective tests for  fatigue, mood, self-esteem. The researchers then tested the electrical brain activity of the participants with the help of EEG.

The most important finding was that the violation of circadian rhythms stronger impact on women: the objective success rates fell during the night, especially attention, memory and ability to concentrate before dawn.

However, there is good news: a change in circadian rhythms affect the performance of men and women during the night less than it seems. During testing, the volunteers showed better results than it was expected.


Submit a Comment

Your email address will not be published. Required fields are marked *

Cart Preview

Cheap Drugs May Help Prevent Dementia after a Stroke

Cheap Drugs May Help Prevent Dementia after a Stroke

A new research from the University of Edinburgh, UK, suggests that cheap cilostazol tablets may reduce damage to arteries, which lead to blood clots, resulting in strokes and cognitive decline. The researchers plan to assess the medications’ ability to cut the risk of...

Flavonoids in Fruits and Vegetables May Preserve Lung Function

Flavonoids in Fruits and Vegetables May Preserve Lung Function

A new study from the US discovers that flavonoids, natural compounds found in fruits and vegetables, may help preserve the lung function, which tends to decline with age. For the study, a team of researchers looked at data from 463 adults from Norway and England whose...

Quiz about this article

Please answer on few questions to make our service more useful

Featured Products

Spring is Here: Top 6 Outdoor Sports

Good weather is the best reason to do outdoor sports, which will help not only lose weight, but also will strengthen health. Bicycle The sun dries out the local paths, so you can safely sit on your favorite bike and confidently twist the pedals, where the eyes look....

read more

First Aid in Case of Injuries for Sport and Exercise

First aid for injuries consists of simple rules that need to be clearly implemented. If this is a closed injury, you need to immobilize the injured limb, otherwise the person may lose consciousness from a painful shock. If you need to get to the emergency room...

read more