Sleepy 5 wek old chick

I have a 5 week old bantam chick(Millie) that I just got on Monday that seems to sleep a lot. She( I hope) also peeps constantly when she sleeps during the day and sometimes will eat and drink without seeming to fully wake up. She is eating and drinking enough I think. Poo looks normal. When she is awake she seems to have plenty of strength, has no trouble flying after me. Her legs do seem to be paler, not the orange anymore that they are in the pic. She is on chick starter with treats of yogurt, cornbread( just a little), and greens from outside. It's been a few months since my others were this young but I don't think they slept this much, but they also had each other for company. She was supposed to be from clean legged bantam mille and d'uccles. she was one of 6 hatched in a bator and the other 5 were lost to a puppy problem. She is very sweet and very bonded to me. I want to do all I can to keep her healthy. Any ideas or suggestions? Is there more I should do for her?