Several great men who claimed to need little sleep including napoleon edison and churchill got by on their ability to nod off briefly whenever they had the chance .
There is wedding betting : you can have a flutter on whether harry will drop the ring during the service ( 24 / 1 ) or whether prince philip who is nearly 90 will nod off during the service ( 8 / 1 ) .
Dr warburton talks about open university students who use any means necessary to find the time for thought getting up two hours before the children or forcing themselves not to nod off at the end of the day .