8 ms·Inertia usually means it's easier to stay up late than to get up early.by mmm_grayons 6y agoInertia usually means it's easier to stay up late than to get up early.ksec 6y agoThank You. That is a nice way to think about it.henearkr 6y agoCould even just be that night owls are "people with more inertia".