Daydreamers suffer more from sleep deprivation


Would-be pilots, ER doctors and combat soldiers possessing a personality trait called “dissociative absorption” are likely to suffer from sleep deprivation and will have a harder time returning to full alertness as opposed to those without it.

A new study from Ben-Gurion University of the Negev also shows that even after an eight-hour night of sleep, people who tend to daydream, get absorbed in reading a book or watching a movie to the exclusion of their surroundings are those who will feel more tired as a result of sleep deprivation.

“Dissociative absorption is the tendency to involuntarily narrow one’s attention to the point where one is oblivious to the surroundings. It involves a temporary lack of reflective consciousness, which means that the individual may act automatically while imagining vividly, bringing about confusion between reality and fantasy,” the researchers write in their article, recently published in Consciousness and Cognition.

There are many studies about the deleterious effects of sleep deprivation (partial or full), including its effect on mood, cognitive function and motor function. At the same time, there have been very few studies that identified who would be especially affected by sleep deprivation.

The researchers say this study is the first to identify the role of dissociative absorption.

Dr. Nirit Soffer-Dudek of BGU’s Department of Psychology and Major Shirley Gordon, head of the Aeromedical psychology section in the Israel Air Force, who is also a doctoral student in the Department, identified the key role of dissociative absorption.

“People who tend to daydream have difficulty regulating the transition between different states of consciousness and transitioning between different awake and sleep states,” says Soffer-Dudek, “therefore any disruptions to their sleep-wake cycle generates an especially strong shakeup of their system, and the person has a harder time fighting off sleepiness.”

The question of who is more affected by sleepiness is relevant to the general population, but it is especially crucial when it comes to people who must function in extreme situations with very little sleep such as pilots, combat soldiers, professional drivers and doctors.

Soffer-Dudek, Gordon and their co-authors conducted their experiments on IAF pilots and Remotely Piloted Aircraft (RPA) officers. As part of their training, pilots and RPA officers participated in a four-day seminar exposing them to the subjective and objective effects of fatigue.

The study is the initial publication on this topic, but the researchers hope that this personality trait may be instrumental in sorting people for key roles in the future.

By Viva Sarah Press

This article provided by israel21c.org.

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