Mold on room service food, guest "services" everytime = "I can't help you, leave me alone". Only grace is bed
Service here has gone to hell.
The guest services was some of the rudest I've encountered in a starwood. Whenever I called for a simple request I was rudely hung up on after the guest services employee said they couldn't do anything for me. My requests were not over the top. For example, I was wondering if I could get a fork sent to my room because I wanted to eat some leftovers. The Sheraton employee was shocked at my request as if I had asked her to give me a sponge bath. 
Avoid this place if you want to be treated with any respect. I come to Chicago over 20 times a year for business and I won't be back here again.
I swear the only saving grace of this place is the bed.
Avoid this place unless you have no need for service and just want a comfortable bed.