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. It can be short-term (days to weeks) or chronic (last over 3 months). If you have insomnia, you may have:
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Trouble getting to sleep.
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Trouble staying asleep.
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Trouble getting back to sleep if you wake in the night.
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Early waking and not being able to go back to sleep.
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Tiredness all the time, despite spending enough time in bed.
Hypersomnia means you sleep too much. If you have hypersomnia, you may:
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Sleep for 10 or more hours a day.
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Be unable to stay awake during the day despite lots of sleep.
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Find that daytime sleepiness isn’t helped with a nap.
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Periods of deep sleep are longer than normal.
Vivid, unpleasant dreams are known as nightmares. If you have nightmares, you may have symptoms such as:
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Waking in the middle of the night.
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Fear of sleeping.
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Daytime sleepiness.
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Sleep that doesn’t feel restful.
What causes sleep problems after cancer?
Many things can affect sleep after cancer, such as:
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Medicines you’re taking.
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Symptoms linked to cancer, such as nausea, night sweats, or pain.
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Getting less physical activity.
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Other health problems, like heart disease, urinary problems, restless leg syndrome, or sleep apnea.
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Hot flashes caused by hormone changes.
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Cancer-related post-traumatic stress.
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Worry, depression, or anxiety.
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Your sleep hygiene (sleep routine).
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Taking longer naps or too many naps during the day.
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Drinks with alcohol or caffeine.
Talk to your doctor if you have sleep problems. Your doctor can help you find out the cause of your problems. They can also talk with you about treatment options.
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