work late into the night vs work late on

Some examples from the web:

• May 8, 2015 ... The need for a respectable hostel that caters to the specific needs of women who work late into the night as well as work odd hours has been a demand raised by women during various women's right seminars. 'She Stay' is ...
• Two of my co-founders prefer to work late into the night while I enjoy starting work early in the day. Because we have different energy levels at different times, it would be counterproductive for my co-founders to work at 9AM (just like it would be ...
• People who start work early in the morning, especially before dawn, are often seen as hard-working and commendable, while those who choose to work late into the night, often right until dawn, are often seen as lazy slobs who sleep the ...
• Scots songstress Nina Nesbitt learning to drive so she can work late into the night at the studio. 14:52, 7 November 2014; By John Dingwall. THE Selfies singer has taken up driving lessons to cope with travelling back from recording studios ...

Some examples from the web:

• Feb 5, 2015 ... They talked to more than 2,000 managers at various places of employment across the country, as well as 3,000 full time workers, to find out how often they arrive to work late on a monthly basis. The survey found one in five ...
• Feb 24, 2015 ... ... University of Kentucky standout and one of UK's "Unforgettables," is so adamant that he penned a tongue-in-cheek excuse letter fans can provide their bosses if they'd like to sleep in and show up for work late on Friday.
• Mar 26, 2015 ... Spanish "pop done right" artist Sofi de la Torre, tipped by Grimes and Paramore, is streaming steamy new cut "Lovers Work Late" on Best Fit. It's taken from upcoming EP That Isn't You, which follows the whirlwind success of ...
• After freeing up Tuesdays for an entire month, add Thursdays. In another month, add Mondays, and in the fourth month, add Wednesdays. I won't mention Fridays because I'm assuming that there's no way you work late on Friday (or do you?)!