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Stimulants are a class of drugs that increase the activity of the brain. They are used for various purposes, such as enhancing alertness, attention, motivation, cognition, mood, and physical performance. Some of the most common stimulants are caffeine, nicotine, amphetamines, cocaine, and modafinil.
Dextroamphetamine (INN:dexamfetamine) is a potent central nervous system (CNS) stimulant and enantiomer of amphetamine that is prescribed for the treatment of attention deficit hyperactivity disorder (ADHD) and narcolepsy. It is also used as an athletic performance and cognitive enhancer, and recreationally as an aphrodisiac and euphoriant.
Somnolence is a state of strong desire for sleep, or sleeping for unusually long periods. It has distinct meanings and causes. It can refer to the usual state preceding falling asleep, the condition of being in a drowsy state due to circadian rhythm disorders, or a symptom of other health problems. It can be accompanied by lethargy, weakness and lack of mental agility.
Shift work is an employment practice designed to keep a service or production line operational at all times. The practice typically sees the day divided into shifts, set periods of time during which different groups of workers perform their duties. The term "shift work" includes both long-term night shifts and work schedules in which employees change or rotate shifts.
Zaleplon, sold under the brand name Sonata among others, is a sedative and hypnotic which is used to treat insomnia. It is a nonbenzodiazepine or Z-drug of the pyrazolopyrimidine class. It was developed by King Pharmaceuticals and approved for medical use in the United States in 1999.
The Tarnak Farm incident is the killing, by an American Air National Guard pilot, of four Canadian soldiers and the injury of eight others from the 3rd Battalion, Princess Patricia's Canadian Light Infantry Battle Group (3PPCLIBG) on the night of April 17, 2002, near Kandahar, Afghanistan.
Armodafinil (trade name Nuvigil) is the enantiopure compound of the eugeroic modafinil (Provigil). It consists of only the (R)-(−)-enantiomer of the racemic modafinil. Armodafinil is produced by the pharmaceutical company Cephalon Inc. and was approved by the U.S. Food and Drug Administration (FDA) in June 2007. In 2016, the FDA granted Mylan rights for the first generic version of Cephalon's Nuvigil to be marketed in the U.S.
Alertness is a state of active attention characterized by high sensory awareness. Someone who is alert is vigilant and promptly meets danger or emergency, or is quick to perceive and act. Alertness is a psychological and physiological state.
Lisdexamfetamine, sold under the brand names Vyvanse and Elvanse among others, is a stimulant medication that is used to treat attention deficit hyperactivity disorder (ADHD) in children and adults and for moderate-to-severe binge eating disorder in adults. Lisdexamfetamine is taken by mouth. Its effects generally begin within two hours and last for up to 14 hours. In the United Kingdom, it is usually less preferred to methylphenidate for the treatment of children.
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Combat Rescue Officer (CRO) is a Special Warfare Officer career field in the United States Air Force. Its Air Force Specialty Code (AFSC) is 19ZXC and it was created to strengthen USAF Special Warfare personnel recovery capabilities by providing commissioned officer leadership that possessed an operational skillset paralleling that of the enlisted pararescuemen (PJ). The CRO specialty includes direct combatant command and control of Combat Search and Rescue (CSAR) operations. They plan, manage and execute the six tasks of CSAR: prepare, report, locate, support, recover, and reintegrate isolated personnel and materiel. CROs conduct strategic, operational and tactical level planning, provide battle staff expertise, manage theater personnel recovery operations and conduct combat special operations.
Fatigue is a major human factors issue in aviation safety. The Fatigue Avoidance Scheduling Tool (FAST) was developed by the United States Air Force in 2000–2001 to address the problem of aircrew fatigue in aircrew flight scheduling. FAST is a Windows program that allows scientists, planners and schedulers to quantify the effects of various work-rest schedules on human performance. It allows work and sleep data entry in graphic, symbolic (grid) and text formats. The graphic input-output display shows cognitive performance effectiveness as a function of time. An upper green area on the graph ends at the time for normal sleep, 90% effectiveness. The goal of the planner or scheduler is to keep performance effectiveness at or above 90% by manipulating the timing and lengths of work and rest periods. A work schedule is entered as red bands on the time line. Sleep periods are entered as blue bands across the time line, below the red bands.
Second wind, a colloquial name for the scientific term wake maintenance zone, is a sleep phenomenon in which a person, after a prolonged period of staying awake, temporarily ceases to feel drowsy, often making it difficult to fall asleep when exhausted. They are the result of circadian rhythms cycling into a phase of wakefulness. For example, many people experience the effects of a second wind in the early morning even after an entire night without sleep because it is the time when they would normally wake up.
A United States Air Force Special Tactics Officer is a United States Air Force Special Operations Command (AFSOC) Special Warfare Officer who manages the training and equipping of U.S. Air Force ground special operations. Special Tactics Officers deploy as team leaders or mission commanders in combat, seizing and controlling airstrips, combat search and rescue, guiding airstrikes and fire support using air assets for special operations and tactical weather observations and forecasting. Special Tactics Officers are not Pararescuemen, Combat Controllers, or Special Reconnaissance, but they lead the Special Tactics Squadrons and Groups and thoroughly understand how to conduct, manage, and provide these special operations missions to both conventional and joint special operations missions needed within Joint Special Operations Command (JSOC) and United States Special Operations Command (SOCOM).
Amphetamine and methamphetamine are central nervous system stimulants used to treat a variety of conditions. When used recreationally, they are colloquially known as "speed" or sometimes "crank". Amphetamine was first synthesized in 1887 in Germany by Romanian chemist Lazăr Edeleanu, who named it phenylisopropylamine. Around the same time, Japanese organic chemist Nagai Nagayoshi isolated ephedrine from the Chinese ephedra plant and later developed a method for ephedrine synthesis. Methamphetamine was synthesized from ephedrine in 1893 by Nagayoshi. Neither drug had a pharmacological use until 1934, when Smith, Kline & French began selling amphetamine as an inhaler under the trade name Benzedrine for congestion.
Sleeping in space is part of space medicine and mission planning, with impacts on the health, capabilities and morale of astronauts.
The International Civil Aviation Organization (ICAO) defines fatigue as "A physiological state of reduced mental or physical performance capability resulting from sleep loss or extended wakefulness, circadian phase, or workload." The phenomenon places great risk on the crew and passengers of an airplane because it significantly increases the chance of pilot error. Fatigue is particularly prevalent among pilots because of "unpredictable work hours, long duty periods, circadian disruption, and insufficient sleep". These factors can occur together to produce a combination of sleep deprivation, circadian rhythm effects, and 'time-on task' fatigue. Regulators attempt to mitigate fatigue by limiting the number of hours pilots are allowed to fly over varying periods of time.
Solriamfetol, sold under the brand name Sunosi, is a wakefulness-promoting medication used in the treatment of excessive sleepiness related to narcolepsy and sleep apnea. It is taken by mouth.
References
- ↑ Air Force Special Operations Command Instruction 48-101 Archived June 11, 2014, at the Wayback Machine , U.S. Air Force Special Operations Command, November 30, 2012.
- ↑ Air Force Special Operations Command Instruction 48–101 Archived June 11, 2014, at the Wayback Machine (sects. 1.7.4), U.S. Air Force Special Operations Command, November 30, 2012.
- ↑ Bonne, Jon (Jan 13, 2006). "'Go pills': A war on drugs?". NBC News. Retrieved 18 May 2024.
- ↑ This story was written by Tech. Sgt. J.C. Woodring. "Air Force scientists battle aviator fatigue". Archived from the original on 14 October 2012. Retrieved 5 January 2017.
{{cite web}}: CS1 maint: bot: original URL status unknown (link) - ↑ Emonson DL, Vanderbeek RD (1995). "The use of amphetamines in U.S. Air Force tactical operations during Desert Shield and Storm". Aviation, Space, and Environmental Medicine. 66 (3): 260–3. PMID 7661838.