Monster Health Bar??

I'm not sure if this has already been suggested or not, but I would like to suggest that OOO implement a monster health bar system, where the monsters have that little bar of health above their heads. I suggest this simply beacuse I believe it gives the player a better indication of how much dmg they are doing to the monster, and how much more/less time they will need to spend fighting the monster. This will help players to form better strategies when vsing strong/weak monsters.
And for those players who don't like that little bar, maybe it could be like the damage indicator, and have the option of being turned on or off.

I wouldn't mind seeing the npc names (all the time). I have always loved that option.
Instead of health bars on top of monsters how about visual clues to their health?
Maybe something like a broken down look for hp<25%
Mecha Knights would have cracks, Tree Dudes would have lost a lot of wood, Jellies could bleed.... jelly?
I think being able to see their health would make for some better tactical decisions, like picking off weaker enemies if you're low on health.

I suggested health bars to bosses before and people said it will make killing the boss easier, so less challenging. But I guess health bars to normal monsters will be ok.
imagine a crowded room, to be more specific the royal jelly with all the mini jellies and normal jellies, you wouldn't be able to see anything but the health bars, if it was just on the boss im all for it, but on every monster im against it
Maybe a toggle key could be set? It could be permanently enabled/disabled in the menu, with a hold-to-view key when it's disabled.
(I play too much DotA)

make it so that when you scroll over the monster with your mouse it shows the health. its like the same thing with the names!
yes this has but i have no idea why one would want it though i find it challenging as is