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Insomnia, also known as sleeplessness, is a sleep disorder where people have trouble falling asleep or staying asleep as long as desired. It can occur independently or as a result of another problem. It is a common symptom of ME/CFS.

Presentation[edit | edit source]

Insomnia is present when a patient finds it unusually difficult to fall asleep, maintain sleep, or wakes up early in the morning with an inability to return to sleep.

Insomnia can cause many secondary symptoms and problems, including fatigue, daytime sleepiness, feeling unrefreshed after sleep, irritability, anxiety, low energy, and depressed mood. Long-term insomnia can result in muscle weariness, hallucinations, mental fatigue and double vision.

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The information provided at this site is not intended to diagnose or treat any illness.
From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history.