The phrase "a lengthy night" is correct and usable in written English.
It can be used to describe a night that feels long, often due to events, activities, or a lack of sleep.
Example: "After the lengthy night spent studying for exams, I finally felt ready to take on the challenges ahead."
Alternatives: "an extended night" or "a protracted night".
I did manage to persuade the BBC to air a lengthy late night discussion on the event hosted by Andrew Rawnsley, but I've a feeling the audience may have been confined to the core constituency of political anoraks and insomniacs.
The attacks, part of a lengthy campaign nicknamed "Night Dragon", targeted "project-financing information with regard to oil and gas fields and operations", according to McAfee, including information about the location of potentially lucrative oil reserves.
Jan-Henrik Norden, Mr. Howard's Swedish lawyer, said in a telephone interview today from Stockholm that the move was a victory that came after a lengthy day-and-night interrogation.
That turns a lengthy part of "The Night Listener" into a sleuthing expedition, as Gabriel ventures to Wisconsin in search of the truth.
They gave a lengthy recap of that night.
The waiter moved the table from the wall, starting Mr. Brown on a lengthy procession of good nights.
-- Nearly 400 rockets and missiles were launched from the Gaza Strip into Israel on Monday in a lengthy barrage that followed a night of renewed combat.
Nearly four hundred rockets and missiles were launched from the Gaza Strip into Israel on Monday in a lengthy barrage that followed a night of renewed combat in which seven Palestinians, including a Hamas commander, were killed in a firefight that also took the life of an Israeli special forces officer.
But there's little time for contentment for computer nerd Kenji, who spends all night cracking a lengthy numerical code, only to have his solution stolen from his cellphone by an artificial intelligence intent on using the virtual reality of Oz to create real-world chaos.
