This is our German Shorthaired Pointer, Fritz. He is 2 years old and is the perfect dog for us. Fritz is loyal, obedient, respectful and active! The high point of Fritz's day is the long run we take every afternoon.
Scientists say they may have found the reason why we need to sleep. Photograph: Corbis Scientists in the US claim to have a new explanation for why we sleep: in the hours spent slumbering, a rubbish disposal service swings into action that cleans up waste in the brain. Through a series of experiments on mice, the researchers showed that during sleep, cerebral spinal fluid is pumped around the brain, and flushes out waste products like a biological dishwasher.
Often these disorders cannot be identified with a normal office visitâyour doctor needs to gather more conclusive evidence while you're asleep. A sleep study is a non-invasive, overnight exam that allows doctors to monitor you while you sleep to see what's happening in your brain and body. For this test, you will go to a sleep lab that is set up for overnight staysâusually in a hospital or sleep center.