She lay down on the couch and went (right) to sleep.她躺在沙发上,(立刻)睡着了。
Tell the kids it's time to go to sleep. [=go to bed]告诉孩子们该上床睡觉了。
After the party, I just wanted to go to sleep.派对结束后,我只想去睡觉。
2
◊ If a part of your body (such as a foot or leg) goes to sleep, it is not able to feel anything for a brief time, usually because you have kept it in an awkward position for too long.麻木
I have to move because my foot is going to sleep.我得走动一下,因为我的脚快麻了。