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.
The mini-nap is a 5-15 minute nap where you wake up after stage 2. Napping for this long has been shown to increase stamina and alertness as well as paying back some sleep debt. The Power Nap is probably the best known of the nap categories. It is a 15-30 minute nap where you wake up after stage 3.