I know myself well enough to know that I do not like early morning starts. (apartmentbaby.com)
With that said, the best way to prevent issues is to wake your child 15 minutes earlier each morning starting tomorrow. (healthyhappysleep.com)
The BBC piece by By Renuka Rayasam takes this science and runs with it in a direction that will please anyone who has shuffled foggy - headed through decades of early morning start times. (inc.com)