Feeling constantly tired or sluggish might also be tied to insufficient hydration. “Think of your body like a car. If you don’t put enough petrol in it, it’s going to sputter and run out of ...

"This effect may lead to actually feeling more tired with more caffeine, due to adrenal gland burnout. The adrenals can only work so hard before they are no longer able to keep increasing cortisol ...

People who have had COVID-19 are more likely to develop chronic fatigue syndrome, officially known as myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). That’s according to a study ...

Children who are sick are often less active. They become easily tired and need extra rest. They take extra naps and sleep longer hours for many days. As long as your child is alert when awake, extra ...