Sleep? No so much. Too many thoughts going way too fast.
Austerity is damn scary. Witness the riots in countries where it is a societal scourge.
Personal financial austerity is scary too.
Going from a 'comfortable' mid-five figure income that paid the bills and allowed frequent spending on small 'luxuries' to bare bones, think about it for a week, only if it's a necessity spending is stark.
What a change of mindset all in the space of a day.