Typically people tell themselves that they should go to bed at 11 or 12, but often they watch TV series and ...
I want to say people watch TV series for too long, and missed the time to go to bed (at 11 or 12), and when they realize they shoud sleep, it's already 2 am.
So how do I express this in a concise and idiomatic way?
... but often they watch TV series and miss the time?
or
... miss the deadline?