They also reported the total amount of time they spent sleeping per day, as well as whether they felt they were in poor, fair, good or very good health. (sciencedaily.com)
Each participant wore an activity monitor on the wrist for up to two weeks that measured how much time they spent sleeping each night. (sciencedaily.com)
At first, the cat's health problems appear to be minor - perhaps less appetite, some weight loss, less time spent grooming, more time spent sleeping. (2ndchance.info)