Rivastigmine (sold under the trade name Exelon) is a parasympathomimetic or cholinergic agent for the treatment of mild to moderate dementia of the Alzheimer's type and dementia due to Parkinson's disease.
Quick Answer. According to the University of Washington, cows sleep for approximately 3.9 hours per day, meaning that they spend about 16.9 percent of the day sleeping. Adult humans sleep for approximately 8 hours per day, which represents 33.3 percent of the day. Human infants sleep approximately 16 hours per day.
Just like newborns, fetuses spend most of their time sleeping. At 32 weeks, your baby sleeps 90 to 95 percent of the day. Some of these hours are spent in deep sleep, some in REM sleep, and some in an indeterminate state â a result of his immature brain. During REM sleep, his eyes move back and forth just like an adult's eyes. Some scientists even believe that fetuses dream while they're sleeping! Just like babies after birth, they probably dream about what they know â the sensations they feel in the womb. Keep Reading Below Closer to birth, your baby sleeps 85 to 90 percent of the time, the same as a newborn.