There are a range of design factors which influence learning in our classrooms. Environmental Factors. The University of Salford recently completed the first stage of research which documented the effects of classroom design upon the performance of schoolchildren.
A power nap is a short sleep which terminates before the occurrence of deep sleep or slow-wave sleep (SWS), intended to quickly revitalize the subject. The expression was coined by Cornell University social psychologist James Maas.
Electric power is the rate at which an electrical circuit transfers  electric energy. The SI unit of power is the watt which is one  joule per second. Wattage, Watts, and (W) are what power is measured in there just different ways to say watts. Watts is the term used to define a quantity of power. If you were  looking for a device used to measure power, that is called a  wattmeter.