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The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring. In addition to dizziness, the individual may feel as though their head is weightless. The individual may also feel as though the room is "spinning" or moving . Most causes of lightheadedness are not serious and either cure themselves quickly or are easily ...
Dizziness may occur from an abnormality involving the brain (in particular the brainstem or cerebellum), inner ear, eyes, heart, vascular system, fluid or blood volume, spinal cord, peripheral nerves, or body electrolytes. Dizziness can accompany certain serious events, such as a concussion or brain bleed, epilepsy and seizures (convulsions ...
Initially, it was thought that sleep was simply a mechanism for the body to "take a break" and reduce wear. Later observations of the low metabolic rates in the brain during sleep seemed to indicate some metabolic functions of sleep. [109] This theory is not fully adequate as sleep only decreases metabolism by about 5–10%.
If you find yourself feeling lightheaded and off-balance on a regular basis, it’s important to get to the root cause of why. It can also be helpful to know what to do when lightheadedness hits.
Most people have felt woozy or lightheaded at least once in their lives. But feeling dizzy several times a month is much more common in people over age 65 — and it’s a big reason for seeing ...
Sleep paralysis occurs when your mind is awake, but your body can’t move, Xue Ming, a sleep expert and professor of neurology at the Rutgers New Jersey Medical School, tells me. You can ...
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
As many as 70 million people have consistent sleeping issues. Not getting enough sleep each night can raise a person’s risk for several health concerns, including cognitive decline and dementia.