So they set up a painstaking experiment, in which Luisa DE Vivo, an assistant scientist working in their lab, collected 6,920 synapses from mice, both awake and sleeping.

所以，他们设置了一项非常费力的实验：他们实验室中的一位助理研究员路易莎?德?维沃从老鼠身上找了6920个突触，这些老鼠有的醒着有的睡着。