Can you see if you can be admitted next week and stay in over the holiday? That way you won't have to miss so many days at work. You have to take care of yourself, the hospital isn't so bad. When I was no longer suicidal I left, only stayed in a week. If it's a voluntary admit you can determine your stay, unless you are actively having suicidal thoughts you can go home. Other hospitals may be different but that's how the one in my town works.
It helps to be around others that are struggling, I felt quite comfortable to not have to put on an act around coworkers and family and try to pretend I was well, when I was not.
Take care.