Many executives spend significant sums improving their personal performance. However, new research by Elizabeth Demers and her co-authors, suggests that there is one relatively simple, effective and low cost way of upping your game as an executive. They show that, for a combination of reasons, cognitive function, mood and the ability to communicate tend to decline throughout the day. For executives with packed diaries and little time to replenish reserves, it is best to get critical tasks scheduled for the morning.
