No, it’s not. A recent study of the University of Utah proved that short sleepers show less attention than long sleepers. In spite their own statement that they are feeling fit, well rested and hence absolutely efficient with only few sleep.
839 persons participated the study and were divided in two groups. One group formed the group of short sleepers with only six hours of sleep or less. The second group was the group of long sleepers with more than six hours of sleep.
In the beginning, the participating people were asked for their self-perception. They had to quote whether they noticed any malfunctions during the day like for example tiredness, listlessness, momentary nodding off during driving etc. Then, they were examined with an MRT.
The evaluation came to the result that short sleepers compared to long sleepers show a diminished attention. Even those who are absolutely effective according to their own statements had problems to remain alert at the MRT. Some of them even fell asleep.
The authors of the study assume that short sleepers deny and underestimate malfunctions like tiredness and listlessness during the day. The findings of the study furthermore conclude that we better sleep sufficiently to be fit and rested the following day. The therewith connected higher performance leads to a more concentrated and more effective work – at home as well as at the working place.
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Source: http://onlinelibrary.wiley.com/doi/10.1002/brb3.576/full
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