Weekends in Los Angeles are made for getting out and enjoying everything the city has to offer. You might start Saturday with a hike to the Hollywood Sign, spend the afternoon shopping on Rodeo Drive, meet friends for brunch in West Hollywood, catch the sunset in Santa Monica, and finish the evening at a concert or sporting event. By Sunday night, however, many people notice they're feeling more tired than refreshed. Busy weekends often mean more time outdoors, more walking,