> The author needs to consider which thing will cause him more regret in the long term--working a more normal schedule and potentially missing out on whatever r

> The author needs to consider which thing will cause him more regret in the long term--working a more normal schedule and potentially missing out on whatever rewards living the startup life may give him, or definitely missing out on his daughter's childhood. Given the psychology studies on creativity and productivity given the mythical man hour, it's not much of a choice. Beyond that, missing his daughter's life and working many hours, sleeping less will ultimately lead to a shorter life due to the physiological effects.