Fatigue and Insomnia
Fatigue has been reported as a symptom associated with Insomnia in medical literature. Learn what this association means, other symptoms of Insomnia, and the tests providers may use to investigate it. Educational content only - not a diagnosis.
What does fatigue have to do with Insomnia?
In the medical literature, fatigue is one of the symptoms reported in association with Insomnia. This means people with Insomnia may experience fatigue, but it does not mean fatigue always indicates Insomnia - it can have many other causes.
Difficulty falling asleep, staying asleep, or getting restful sleep despite adequate opportunity, affecting daytime function.
Tests used to investigate Insomnia
Healthcare providers may order these tests when evaluating Insomnia.
Comprehensive Metabolic Panel (CMP)
Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...
Thyroid Stimulating Hormone (TSH)
Screens for thyroid disorders such as hypothyroidism and hyperthyroidism....
Other symptoms of Insomnia
These symptoms are also reported in association with Insomnia.
Anxiety
Intense feelings of nervousness, tension, or panic often arise in response to interpersonal stresses. There is...
Daytime Sleepiness
Excessive sleepiness during the day despite getting enough sleep at night, which can be a sign of sleep apnea ...
Difficulty Concentrating
Trouble focusing or paying attention, which can be caused by stress, sleep problems, depression, or other cond...
Insomnia
Persistent difficulty in starting or maintaining sleep, or waking up earlier than desired, despite having adeq...
Irritability
Easily annoyed or frustrated mood, which can be caused by stress, sleep problems, hormonal changes, or mood di...
Frequently Asked Questions
Can fatigue be a sign of Insomnia?
Fatigue is among the symptoms reported in association with Insomnia in medical literature. Symptoms vary widely between individuals, and fatigue can occur for many reasons unrelated to Insomnia. This information is educational, not a diagnosis.
What else can cause fatigue?
Fatigue can be associated with many conditions beyond Insomnia. Explore the fatigue page to see a broader list of reported associations. Always discuss your symptoms with a qualified healthcare provider.
Which tests may be used if Insomnia is suspected?
A healthcare provider may order tests such as Comprehensive Metabolic Panel (CMP), Thyroid Stimulating Hormone (TSH) when evaluating Insomnia. Test selection is a clinical decision made by a qualified professional.