I read the question a little differently…

HUGE energy variation.

Bouncing off walls, rip me off the ceiling, need the Great Wall of China to shield yourself from my rapid-fire, 7-topics-at-once barrage of words.
THE WORLD is molasses.

To can't move, stare at walls, can't manage basic tasks or self-care (like showering and eating), having all the emotional response of a roll of paper towels.
MY world is molasses.

Answer if I missed what you meant with my initial understanding:
WAY up. WAY down. Not situationally explained, can go on for weeks or months.