Recent research has found that rocking promotes sleep in mice, but there is a lack of information on whether rocking also promotes sleep in rats and the neurophysiological mechanisms involved. The purpose of the present experiment was to elucidate the effects of rocking on sleep–wake staging in rats. EEG recordings were made on a platform with a frequency of 1.5 HZ and a displacement of 20 mm for 12 h of rocking and 12 h of st...