Why does good sleep matter during cancer treatment?

Sleeping well is important for your physical and mental health. A good night's sleep may help you think more clearly, lower your blood pressure, support your appetite, and strengthen your immune system.

Sleep problems that go on for a long time may increase the risk of anxiety or depression. That is one reason it is worth telling your team early if you are having trouble.

Your doctor, or a sleep specialist, can assess sleep problems and suggest ways to treat them. Getting treatment for related problems such as pain or diarrhea may also help you sleep better.