Sleep disorders involve any difficulties related to sleeping, including difficulty falling or staying asleep, falling asleep at inappropriate times, excessive total sleep time, or abnormal behaviors associated with sleep.
More than 100 different disorders of sleeping and waking have been identified. They can be grouped in four main categories:
In my last blog we discussed at length the different stages of sleep, namely non-REM and REM, the biological need for sleep to stay alive,... Read more »
Sleep problems are common among elderly people and can be problematic in people with Alzheimer's disease. They can occur at any stage of... Read more »