The Use of Caffeine to Enhance Cognitive Performance, Reaction Time, Vigilance, Rifle Marksmanship, and Mood States in Sleep-Deprived Navy SEAL (BUD/S) Trainees

Tharion, William J.; Shukitt‐Hale, Barbara; Coffey, Bryan P.; Desai, Manoj .; Strowman, Shelley R.; Tulley, Richard T.

doi:10.1037/e443392005-001

Cited by 9 publications

(4 citation statements)

References 50 publications

(95 reference statements)

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“…In the armed forces, performance during sustained operations is a critical issue; especially when sleep is a factor (Tharion, et al, 1997). In some cases, caffeine has been shown to improve performance.…”

Section: Navy Seal (Bud/s) Traineesmentioning

confidence: 99%

“…In addition, the 200 mg dose did not pose any physiological or psychological risks that were associated with the 300 mg dose. Therefore, it was recommended that 200 mg of caffeine be used to improve mental performance of sleep-deprived individuals during combat stress (Tharion et al, 1997).…”

Section: Navy Seal (Bud/s) Traineesmentioning

confidence: 99%

“…In some cases, caffeine has been shown to improve performance. By public opinion, caffeine is considered to increase conditions (Tharion et al, 1997).…”

Section: Navy Seal (Bud/s) Traineesmentioning

confidence: 99%

“…The BUD/S trainees were administered the POMS prior to Hell Week (baseline) and 1-1.5 and 8-10 hours after caffeine/placebo during Hell Week (Tharion et al, 1997).…”

Section: Navy Seal (Bud/s) Traineesmentioning

confidence: 99%

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The Effects of Reversing Sleep-Wake Cycles on Mood States, Sleep, and Fatigue on the Crew of the USS JOHN C. STENNIS

Sawyer¹

2004

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Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instruction, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, 12b. DISTRIBUTION CODE ABSTRACT (maximum 200 words)This study investigates the effects of reversing sleep-wake cycles on mood, sleep, and fatigue of the crewmembers and AirWing 9 of the USS JOHN C. STENNIS (CVN-74). It also reviews the research conducted in sleep deprivation, circadian rhythms, shiftwork, fatigue, and mood. The effects of reversing sleep-wake cycle on mood of the crewmembers were analyzed by assessing a repeated administration of the Profile of Mood States (POMS). Mood states were monitored at three time points associated with the current work schedule (night shift vs. day shift) of the crewmembers. The results showed that younger participants were angrier than older participants on night shiftwork. The results also indicated that there was a significant interaction between repeated measures of mood states and gender. In addition, female participants reported significantly higher mood scale scores than the male participants, and topside participants were getting significantly less sleep than belowdecks participants. Given these findings, this area of research warrants further exploration. There is a significant need to educate military personnel of the effects of sleep deprivation and shiftwork on their job performance and individual health and safety. NUMBER OF PAGES 127 SUBJECT TERMS THE EFFECTS OF REVERSING SLEEP-WAKE CYCLES ON MOOD STATES, SLEEP, AND FATIGUE ON THE CREW OF THE USS JOHN C. STENNISTiffoney L. Sawyer Ensign, United States Navy B.S., Old Dominion University, 2003Submitted in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE IN APPLIED SCIENCE (OPERATIONS RESEARCH)from the NAVAL POSTGRADUATE SCHOOL June 2004Author: Tiffoney L. Sawyer showed that younger participants were angrier than older participants on night shiftwork.The results also indicated that there was a significant interaction between repeated measures of mood states and gender. In addition, female participants reported significantly higher mood scale scores than the male participants, and topside participants were getting significantly less sleep than belowdecks participants. Given these findings, this area of research warrants further exploration. There is a significant need to educate

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Section: Navy Seal (Bud/s) Traineesmentioning

confidence: 99%

Section: Navy Seal (Bud/s) Traineesmentioning

confidence: 99%

“…In some cases, caffeine has been shown to improve performance. By public opinion, caffeine is considered to increase conditions (Tharion et al, 1997).…”

Section: Navy Seal (Bud/s) Traineesmentioning

confidence: 99%

“…The BUD/S trainees were administered the POMS prior to Hell Week (baseline) and 1-1.5 and 8-10 hours after caffeine/placebo during Hell Week (Tharion et al, 1997).…”

Section: Navy Seal (Bud/s) Traineesmentioning

confidence: 99%

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