Insomnia is being unable to sleep despite wanting to. Revenge bedtime procrastination is choosing to delay sleep despite being able to — trading rest for a few reclaimed hours of freedom. One is a barrier; the other is a gap between what you intended and what you did.
Side by side
Aspect
Revenge bedtime procrastination
Insomnia
Cause
Intention and action come apart
An inability to sleep
Motive
Reclaim free time
None — you want sleep
Self-control
Gives in
Not the issue
Fix
Autonomy in the day
Often clinical
What each one means
Revenge Bedtime Procrastination
Revenge bedtime procrastination is deliberately putting off sleep — with no real reason, and knowing it'll cost you tomorrow — in order to claw back some personal free time that a day of other people's demands is felt to have denied you.