European Journal of Sport Science: Video Abstract

Caffeine ingestion acutely enhances muscular strength and power but not muscular endurance in resistance-trained men
Michele Lastella, Gregory D. Roach, Shona L. Halson & Charli Sargent

DOI: 10.1080/17461391.2014.932016
@sleeppsyc @EurJSportSci

Please watch the video here.

Video transcript start:

So the main aim of this particular study was to examine and to see how much sleep elite athletes obtain. And we wanted to see this based on a variety of different sports. So no paper had examined individual and team sports at this point as a collective and as an each individual different sport.

So what we did, we recruited 124 athletes from individual and team sports, such as cycling, swimming, triathlon, race walking, mountain biking and some of the team based sports were soccer, Australian football, rugby union and basketball. And we examined their sleep during a normal training phase, so this wasn’t in and around competition, and we used wrist actigraphy and subjective sleep diaries to examine their sleep/wake behaviour.

And what we found as a collective was that athletes attained 6.8 h of sleep/night and this was well below the recommended 8 h target that we, I guess, recommend for the general adult population. Some say athletes should obtain somewhat more than that.

I would like the viewers to be a little bit cautious when interpreting the data as a collective. So what we did is we broke it down into individual based and team based sports. With the individual sports obtaining 6.5 h of sleep and the team based sports obtaining 7 h of sleep/night.

Now we break this further down and if you see in the paper we have a table which is basically per sport to see how much sleep and what time these athletes were going to bed and waking up each night according to sports. I think this is quite useful information because as you would know that each specific sports has different training requirements and has different scheduling and the timing of training. So that’s quite important.

So just to sum-up here. We know that athletes from individual based sports tend to sleep less and tend to have earlier sleep/wake schedules than athletes from team based sports. But it’s also important to consider the sport in its own right because we know that the scheduling and the timing of training and competition dictate our athlete sleep-wake behaviour. And moving forward it’s really important to consider how much sleep the athlete obtains and try and work out ways where we can maximize or increase the amount of sleep they obtain.

So on a personal note I would like to thank all the athletes and coaches I worked with over the years and also a big shout out to all my collaborators. Thank you very much.

Video transcript end.

 

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