Do you often walk into a room and forget why you went in there in the first place? Happens to most of us. But that doesn't mean you are losing memory or have become forgetful.It could simply mean that you are not getting enough sleep. A new research says that a good night's sleep improves different kinds of memories. The study analysed people who found it difficult to remember names and faces and found that an eight-hour sound sleep helped them remember names and faces better. Various studies have previously tested the effect of sleep on memory but the researchers