If the most health-conscious among us have such deep swings in our shut-eye levels throughout the year, how much sleep are the rest of us losing?

如果连我们当中最注重健康的人一整年的睡眠水平都有这么大的波动，那么我们其他人会损失多少睡眠呢？

youdao

If the most health-conscious among us have such deep swings in our shut-eye levels throughout the year, how much sleep are the rest of us losing?

如果连我们当中最注重健康的人一整年的睡眠水平都有这么大的波动，那么我们其他人会损失多少睡眠呢？

youdao