Hydrocephalus

Having fluid in your skull around your brain is normal – however, when that fluid becomes excessive and causes a widening of the ventricles in the brain, it’s known as hydrocephalus. This natural fluid is called cerebrospinal fluid (CSF) meant to cradle your brain from injury, notes MedicineNet.com. Having an accumulation of CSF can put […]

During normal REM sleep the body's muscles goes into a temporary paralysis while the brain is dreaming, but for people with REM sleep behavior disorder, paralysis doesn't occur. Instead their body and voice will act out their dreams while they remain asleep.