for half an hour I kept throwing out bucket of water . It was slow ,hard work,but having a purpose and a goal lifted my spirits. but all too soon I was out of breath and energy. I was back to worrying ,imagining horrible endings.I needed something to keep me alert. I started testing my knowledge.I named lighthouses,then the planets.Once I'd finished them ,I started on each planet's moons.Through it all ,I kept saying , "I must not fall asleep.