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|Title: ||Sleep restriction and serving accuracy in performance tennis players, and effects of caffeine|
|Authors: ||Reyner, Louise A.|
Horne, James A.
|Keywords: ||Sleep restriction|
|Issue Date: ||2013|
|Publisher: ||© Elsevier Inc.|
|Citation: ||REYNER, L.A. and HORNE, J.A., 2013. Sleep restriction and serving accuracy in performance tennis players, and effects of caffeine. Physiology and Behavior, 120, pp. 93-96.|
|Abstract: ||Athletes often lose sleep on the night before a competition. Whilst it is unlikely that sleep loss will
impair sports mostly relying on strength and endurance, little is known about potential effects on
sports involving psychomotor performance requiring high level cognitive skills necessitating
judgement and accuracy, as in tennis, and where caffeine is ‘permitted’’. Two studies were
undertaken on the effects of 5h sleep (33%) restriction versus normal sleep, on an objective
measure of serving accuracy in semi-professional tennis players. Testing (14:00h-16:00h) for
both studies comprised 40 serves into a (1.8m x 1.1m) ‘service box’ diagonally, over the net.
Study 2 was identical to that of Study 1, except that there was an extra sleep restriction condition.
All conditions involved a sugar free drink given 30 min before testing, but with the drink for one
sleep restriction containing 80mg caffeine (double blind). Study 1 comprised 16 men and
women, in a within Ss counterbalanced design (normal versus sleep restriction). Study 2
involved 12 different men and women undergoing three conditions in a latin square design.
Conditions were as for Study 1, with a replicated sleep restriction. All conditions incorporated a
sugar-free drink given 30 min before testing, with one restriction including 80mg caffeine (double
blind). Both studies showed significant impairments to serving accuracy following sleep
restriction, particularly with women. At this dose, caffeine had no beneficial effect. These results
reflect laboratory based, non-sports related findings pointing to detrimental effects of sleep loss
on executive function.|
|Description: ||This is the author’s version of a work that was accepted for publication in Physiology and Behavior. In its present form it has the following title: 'Sleep restriction, serving accuracy in performance tennis players, and effects of caffeine'. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published at: http://dx.doi.org/10.1016/j.physbeh.2013.07.002.|
|Version: ||Accepted for publication|
|Publisher Link: ||http://dx.doi.org/10.1016/j.physbeh.2013.07.002|
|Appears in Collections:||Published Articles (Sport, Exercise and Health Sciences)|
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