A survey of 1 989 UK office workers in 2016 indicated that during an eight-hour work day, the average employee is only productive for 2 hours and 53 minutes. In his book “Rest” Dr Alex Pang argues that people should only do 4 hours of creative, thinking work each day. (https://read.bi/2PmZkTX, http://bit.ly/2IMksAr)