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.
The amount of sleep adults get in general has been declining over the past few years. âIf you look at the 1960s and 1970s, people reported average sleep times of 8-8.5 hours a night,â Simpson says. âToday, itâs much more likely to be 7-7.5 hours or less.. Chalk it up to the pace of modern life. We lead these frantic lives and we have busy jobs and kids and soccer practice, Simpson says.