Sleep and Neurological Issues
One common problem in insomnia is that the bed has become connected with things other than sleep. This makes it hard to use the bed for sleep when you want.
One side effect of cancer and cancer treatment is sleeping too much. This is called hypersomnia, meaning "too much sleep.''
Brain Tumors: Coping with Thinking and Memory Problems
Brain tumors may affect how you think, reason, and remember. Many people with brain tumors also have problems with concentration, language skills, and memory.