Absent-mindedness is where a person shows inattentive or forgetful behaviour.[20] Absent-mindedness is a mental condition in which the subject experiences low levels of attention and frequent distraction. Absent-mindedness is not a diagnosed condition but rather a symptom of boredom and sleepiness which people experience in their daily lives. When suffering from absent-mindedness, people tend to show signs of memory lapse and weak recollection of recently occurring events. This can usually be a result of a variety of other conditions often diagnosed by clinicians such as attention deficit hyperactivity disorder and depression. In addition to absent-mindedness leading to an array of consequences affecting daily life, it can have as more severe, long-term problems.
Boredom is similar to mental fatigue and is caused by repetition and lack of interest in the details of our tasks (such as tasks that require continuous attention, waiting at the airport, prisoners locked in cells). Any experience that is predictable and repetitive becomes boring. In general, too much of the same thing and too little stimulation can cause in its victim an absence of desire and a feeling of entrapment (Toohey, 2012).    
The expression to be a bore had been used in print in the sense of "to be tiresome or dull" since 1768 at the latest.[4] The expression "boredom" means "state of being bored," 1852, from bore (v.1) + -dom. It also has been employed in a sense "bores as a class" (1883) and "practice of being a bore" (1864, a sense properly belonging to boreism, 1833).[5] The word "bore" as a noun meaning a "thing which causes ennui or annoyance" is attested to since 1778; "of persons by 1812". The noun "bore" comes from the verb "bore", which had the meaning "[to] be tiresome or dull" first attested [in] 1768, a vogue word c. 1780–81 according to Grose (1785); possibly a figurative extension of "to move forward slowly and persistently, as a [hole-] boring tool does."[6]
In a learning environment, a common cause of boredom is lack of understanding; for instance, if one is not following or connecting to the material in a class or lecture, it will usually seem boring. However, the opposite can also be true; something that is too easily understood, simple or transparent, can also be boring. Boredom is often inversely related to learning, and in school it may be a sign that a student is not challenged enough, or too challenged. An activity that is predictable to the students is likely to bore them.[31]
Grunge lit is an Australian literary genre of fictional or semi-autobiographical writing in the early 1990s about young adults living in an "inner cit[y]" "...world of disintegrating futures where the only relief from...boredom was through a nihilistic pursuit of sex, violence, drugs and alcohol".[47] Often the central characters are disfranchised, lacking drive and determination beyond the desire to satisfy their basic needs. It was typically written by "new, young authors"[47] who examined "gritty, dirty, real existences"[47] of everyday characters. It has been described as both a sub-set of dirty realism and an offshoot of Generation X literature.[48] Stuart Glover states that the term "grunge lit" takes the term "grunge" from the "late 80s and early 90s—...Seattle [grunge] bands".[49] Glover states that the term "grunge lit" was mainly a marketing term used by publishing companies; he states that most of the authors who have been categorized as "grunge lit" writers reject the label.[49]
In conventional usage, boredom is an emotional and occasionally psychological state experienced when an individual is left without anything in particular to do, is not interested in their surroundings, or feels that a day or period is dull or tedious. It is also understood by scholars as a modern phenomenon which has a cultural dimension. "There is no universally accepted definition of boredom. But whatever it is, researchers argue, it is not simply another name for depression or apathy. It seems to be a specific mental state that people find unpleasant—a lack of stimulation that leaves them craving relief, with a host of behavioural, medical and social consequences."[1] According to BBC News, boredom "...can be a dangerous and disruptive state of mind that damages your health"; yet research "...suggest[s] that without boredom we couldn't achieve our creative feats."[2]

Recent Examples on the Web Artist Support Pledge is just one of programs designed to alleviate economic hardship and collective ennui within early-career artist communities. — Anne Quito, Quartz, "Emerging artists pledge to buy each other’s work amid the coronavirus economic slowdown," 20 Mar. 2020 Douglas and Paula Rigby inevitably find no easy answers to their financial travails and everyday ennui. — oregonlive, "‘That Left Turn at Albuquerque’ offers noir-fiction staples, harsh look at American striving: book review," 20 Mar. 2020 The festival was initiated as a way to use community togetherness (and aromatherapy) to combat the ennui of the Great Depression. — Heather Arndt Anderson, Sunset Magazine, "The Best Spring Flower Festivals for Seeing the Season in Full Bloom," 10 Mar. 2020 Shake up the ennui this year with a silicon spatula bearing an illustration of Giggy, the beloved dog of Lisa Vanderpump, the reality-television doyenne and magnificent restaurateur, drawn by Ms. Vanderpump herself. — Helen Rosner, The New Yorker, "Holiday Gift Guide for Foodies: From Murderous Mermaid Salt to Lamps Made Out of Croissants," 12 Dec. 2019 Taylor-Joy, whose searching, wide-set eyes give her the mysterious beauty of an elegant reptile, makes a crackling transition from Emma’s too-cool-for-school ennui to a state of being where the very air around her feels electrified with uncertainty. — Stephanie Zacharek, Time, "A Gorgeous New Emma Adaptation Strikes Just the Right Balance of Modern and Authentic," 21 Feb. 2020 Suddenly, Juliana’s romantic ennui is interrupted by the reappearance, after an 11-year absence, of her scapegrace oldest brother. — Michael Dirda, Washington Post, "First published in 1924, ‘Still She Wished for Company’ makes for a delicious, if bittersweet Valentine’s Day treat," 12 Feb. 2020 Speaking of start-up ennui, more tech workers are seeking therapy — with the help of apps. — New York Times, "This Week in Business: No More E-Cigarettes at Walmart, and an Attack on the World’s Oil Supply," 22 Sep. 2019 While in years past, the top GIFs of the year have reflected a collective energy full of uncertainty and ennui, this year's crop, as curated by GIF master Giphy, is considerably more upbeat! — Aj Willingham And Andrea Diaz, CNN, "These were 2019's GIFs of the year and I Oop!," 17 Dec. 2019

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