"My idea for a new weather condition: Night"

I was just thinking of mechanics the other day, and it hit me that night would be a really cool weather condition like sunny day or hail. Let me know what you guys think, or if you have any ideas/suggestions.EDIT: Welp, looks like this has been suggested like a million times before. Guess I'm not as clever as I thought :/EDIT THE SECOND: I see a lot of people saying "but night isn't weather!!" Just think of it as a battling condition, like electric terrain or psychic terrain, but with a more specific theme.Anyway, while night is in play;Moonlight would heal 3/4 of the user's HP, while morning sun would only heal 1/2 looks like sunny day already affects these moves in some unexpected ways, so maybe night should leave them alone. On the other hand, wish cold activate in one turn? Or maybe heal more?Dark-type moves would be powered up, and fighting moves would be weakenedWeather ball would be dark-typeMoonblast would be powered upSolar beam would fail to chargeSleep would last 1-2 turns longerAll moves have a 5% accuracy drop (negated normally by keen eye and moves like aura sphere, magical leaf, and aerial ace)Pokemon with the (previously useless) ability illuminate would immediately dispel the effects of night upon switching in, and prevent it from being cast by an opposing pokemon while they are on the battlefield. via /r/pokemon http://ift.tt/2eWv3bA