Originally Posted by
twb3
I was working ~10 PM to 8 AM and sleeping during the day on a business trip some time ago, and was frequently awakened by housekeeping despite DND sign and locked door. The only thing that seemed effective was to call or notifly the desk each day that I would be day sleeping and did not require any housekeeping.
If you ever stayed in Deadhorse you'll see they have a unique system for that, because so many people work the night shift they have a placard in front of their door that they can move to show whether they work days or nights.