the.com/deadlines
The only force capable of converting a procrastinator into a productivity machine overnight.
means A fixed point in time by which a task must be finished, or consequences follow.
from Literally a death line in Civil War prison camps: cross the boundary around the camp, and guards shot you, no questions asked. The modern publishing world borrowed the word for a far less fatal but equally dreaded boundary.
Real stakesThe original kind ended in actual gunfire.
Print rootsEarly newspapers used it for layout cutoff times.
Brain trickLooming deadlines spike focus via stress hormones.