For electronics, for computers, " to store" means to have something on your permanent memory in your computer.

对于电子产品， 对于计算机，“存储” 意味着在您的计算机中永久存储一些东西。

It's important because it stores the training exercises and the learning exercises into our more permanent memory while we're sleeping 7-8 hours in bed.

因为当我们睡足七八个小时后，睡眠能够更加长久地储存我们学习和训练的活动。