Relations (1)

related 2.00 — strongly supporting 3 facts

Fatigue is a common symptom of an infection because the substances released by the immune system to combat the infection also induce feelings of tiredness [1], [2]. Furthermore, persistent fatigue is recognized as a clinical indicator that may signal the presence of an underlying infection [3].

Facts (3)

Sources
Why Sleep Matters: Consequences of Sleep Deficiency sleep.hms.harvard.edu Harvard Medical School 2 facts
claimSubstances produced by the immune system to help fight infection also cause fatigue.
claimSubstances produced by the immune system to help fight infection also cause fatigue, which is why people naturally feel the need to sleep when sick.
Cycle Syncing: How to Understand Your Menstrual Cycle to Reduce ... healthmatters.nyp.org NewYork-Presbyterian 1 fact
claimDr. Simmons states that persistent difficulties with sleep, fatigue, or low energy should be reported to a doctor, as these symptoms may indicate underlying conditions such as infection, anemia, hormonal imbalances, or autoimmune conditions.