This goes to show you how sleep deprived all of humanity is! We all pass out on airplanes (sure, there are altitude/oxygen/pressure reasons, too). One day, society will look back at this time of the World and be confused with how we are living our lives. Much like we can't imagine how our ancestors survived without electricity!
Although, the first flight was at 445 in the morning, so it is understandable. The second leg was a 6am flight.
I agree though, we are more and more sleep deprived of quantity and quality and then wonder why we do not feel motivated or alert.
If it's 6am, I'd like to still be sleeping! Unfortunately that's not an option with 2 little ones (as you know with your daughter). One day, when they're older.. I'll get sleep again... One day...
Sleep.... must get Sleep....