Anyone know any good stress management?

Has anyone ever had those weeks where you are just crazy busy with work, and you can't seem to catch up only to have more work keep coming in every day, and your friends call and say, "I know it's last minute, but...," and you aren't good at saying no, and you have a 5 year old who wants you to play with him every second of the day, and you have to grocery shop and cook for your family and clean the house, and find time to blog, and find time to exercise (what's that?), and somewhere in there get some sleep, and.......................