I roused up from deep sleep when the storm came suddenly.

暴风雨突然降临，我从沉睡中惊醒。

youdao

If your woken from deep sleep but can go back into a light sleep, you will find it easier to wake from a light sleep.

如果你从深度睡眠中醒来了，但可以重新回到轻度睡眠中，你会发现从轻度睡眠中醒来更容易。

youdao

And although at first, upon waking, I always cracked my head against the deck above, I developed the habit of passing from deep sleep to full attention in an instant.

开始，有风浪时，我总是把头碰到上面的甲板。我逐步养成了习惯，可以在熟睡时，突然完全清醒过来。

youdao

Early one Sunday morning, the shrill reverberating sound of my home phone woke me from a deep sleep.

FORBES: A Rolls Royce Drove My Overnight Success

Now I have been teaching this for over seven years because I heard these words over 10 years ago in a yoga class that totally woke me up from a deep sleep of ignorance of what really is.

FORBES: There's Nothing Wrong With You. Really.

Total deep sleep decreases from nearly 20% of a normal nights sleep for those under 25 to less than 5% for those over 35.

BBC: Sleep linked to ageing