Dismiss Modal

Management

Life After Cancer: Sleep Problems You May Have

Choose a preferred language

Many people have sleep problems after cancer. You may have trouble falling asleep. Or feel like you need to sleep all day long. You may also have trouble staying asleep or have nightmares. Sleep problems can last for a long time after cancer and cancer treatment. They can affect your daily life, work, and relationships.


Types of sleep problems after cancer

Insomnia means you have trouble going to sleep and staying asleep. If you have insomnia, you may have:

  • Trouble getting to sleep

  • Trouble staying asleep

  • Trouble getting back to sleep if you wake in the night

  • Early waking and not being able to go back to sleep

  • Tiredness all the time, despite spending enough time in bed

Hypersomnia means you sleep too much. If you have hypersomnia, you may:

  • Sleep for 10 or more hours a day

  • Be unable to stay awake during the day despite lots of sleep

  • Find that daytime sleepiness isn’t helped with a nap

Vivid, unpleasant dreams are known as nightmares. If you have nightmares, you may have symptoms, such as:

  • Waking in the middle of the night

  • Fear of sleeping

  • Daytime sleepiness

  • Sleep that doesn’t feel restful


What causes sleep problems after cancer?

Many things can affect sleep after cancer, such as:

  • Medicines you’re taking

  • Symptoms linked to cancer, such as nausea, night sweats, or pain

  • Getting less physical activity

  • Other health problems, like heart disease, urinary problems, or sleep apnea

  • Hot flashes caused by hormone changes

  • Cancer-related posttraumatic stress

  • Worry, depression, or anxiety

  • Your sleep hygiene (sleep routine)

  • Drinks with alcohol or caffeine

Talk to your healthcare provider if you have sleep problems. Your provider can help you find out the cause of your problems. They can also talk with you about treatment options.

Featured in

© 2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare provider's instructions.
Related Articles
Read article
Oncology
Nail Care During Chemotherapy

Minor nail problems are common side effects of chemotherapy. These side effects occur because the treatment affects normal cells as well as cancer cells. To manage these side effects, try these tips.

Read article
Oncology
Infusion for Cancer Treatment: 10 Things to Bring with You

Packing a personal care bag of items can help you stay calm and comfortable. It can change your infusion experience for the better. Here are 10 things to put into your bag before you go to the infusion clinic.

Read article
Oncology
Resources for People with Cancer

You can’t fight cancer alone. Reach out. Get support from family, friends, and others who care about you. Let other people assist you. It can help you feel better both during and after your treatment.

Read article
Oncology
Life After Cancer: Fatigue

After cancer treatment ends, you may find that you still feel tired and unable to do the things you want and need to do. Cancer-related fatigue is a very common problem for cancer survivors. It may last for months or even years after cancer treatment ends.