hardsleep
When you've slept so hard that you've forgotten where you are, or you've forgotten how long you've slept, perhaps forgetting how long you stayed up or how you got to your sleeping place.
It's normally when you're super tired and collapse within a few minutes of lying down, or have been staying up for 24 hours.
It's normally when you're super tired and collapse within a few minutes of lying down, or have been staying up for 24 hours.