
…s a range in the number of hours they sleep, there do seem to be some trends in their sleep habits. Most notably, everyone in the above list is a (relative) early riser, waking by 7am. The variance really comes in their bedtimes, with some turning in before 10pm while others don’t hit…
Irrespective of how well you were able to get on with your day after that most recent night without sleep, it is unlikely that you felt especially upbeat and joyous about the world. Your more-negative-than-usual perspective will have resulted from a generalized low mood, which is a normal consequence of being overtired. More important than just the mood, this mind-set is often accompanied by decreases in willingness to think and act proactively, control impulses, feel positive about yourself, empathize with others, and generally use emotional intelligence.