“无论水生、空中飞翔还是陆生,几乎所有动物都离不开睡眠。”亚里士多德在其著作《论睡和醒》中这样写道。那么,动物也会做梦吗?我们当然无法直接向动物请教它们是否会做梦,但科学家能通过两种方法观察到某些足以证明它们在做梦的证据:其一,观察动物在睡眠周期 “Whether it’s aquatic, airborne or terrestrial, almost all animals are inseparable from sleep.” Aristotle wrote in his book On Sleep and Wake. So, of course, do animals dream? We can not, of course, ask animal directly for dreaming, but scientists can see some evidence of their dreaming in two ways: first, observe the animals’