Though this is for entrepreneurs, it applies to the EF world

http://gofrenchyourself.mylittleparis.com/en/newsletter/175-5a9d5de8398d6:

Overbooking and distractions negatively affect our executive function skills. Here's my latest contribution to the IndieEd.org website with information about the effects and some possible solutions:

http://indieed.org/2018/03/overscheduling-affect-executive-function-ski...