Pivik R T, Bylsma F W, Cooper P
Behav Neural Biol. 1986 May;45(3):275-86. doi: 10.1016/s0163-1047(86)80016-4.
The characteristics and stability of sleep-wakefulness patterns across consecutive 24-h periods were examined in adult male rabbits implanted for chronic recording of electroencephalographic, eye movement, and nuchal muscle activities. Criteria for stage scoring along with associated scoring reliability are presented. Rabbits slept an average of 11.4 h per day, 25.9% of which was drowsy, 64.5% slow wave sleep, and 9.6% paradoxical sleep. Diurnal differences in amount and type of sleep, consisting of increased wakefulness and decreased paradoxical sleep during the dark phase of the light-dark cycle, were observed. The results are integrated with those of previous sleep studies in this species and phylogenetic implications of variations in the distribution and characteristics of sleep in the rabbit are discussed.
对成年雄性兔子进行了连续24小时睡眠-觉醒模式的特征和稳定性研究，这些兔子被植入电极以长期记录脑电图、眼动和颈部肌肉活动。文中给出了睡眠阶段评分标准及相关评分可靠性。兔子平均每天睡眠11.4小时，其中25.9%为昏沉期，64.5%为慢波睡眠，9.6%为异相睡眠。观察到睡眠量和类型的昼夜差异，即在明暗周期的暗期觉醒增加而异相睡眠减少。将这些结果与该物种先前的睡眠研究结果相结合，并讨论了兔子睡眠分布和特征变化的系统发育意义。
