ive just started growing my plants like 5 days ago and i woke up one morning

to find that the little stems with two peddals that stick off had become vary limp my nightfall the plant was is almost completly facing the grownd thats how droopy it is can anyone tell me what im doing wrong am i possibly overwatering them or underwatering them am i giving them to much light or not enough they r florecent they stay within 2-3 inches from the light ive got a fan circulating the air and thier in my closet by the way thanx P.s New with the forums