Yes Thank You, I Have Cracked Each Side Of The

yes thank you, I have cracked each side of the corners of my mouth. I think I have been sleeping with my mouth open a lot lately. I cant seem to heal them. and when I open my mouth wider to eat they split open again. I have tried Neosporin and chap stick consistently and it wont get better. what can I do
ginafallos@hotmail,com