burn the candle at both ends

verb2

1. •
   To work hard night and day; to sleep late and wake up early; to overwork or overexert oneself.
2. •
   (old-fashioned) To waste or expend resources twice over; to be doubly profligate.

   • And another thing not to be forgotten is that the expense rate, the cost of production, has kept pace with the reduction in premiums, thus burning the candle at both ends; […] — 1892