If there's nobody else in the bedroom, he's sleeping alone.

如果卧室里没有其他人，他就是孤独地睡去的。

youdao

I like eating alone and reading, I don't mind sleeping alone.

我喜欢一个人独自吃独自一个人读书，我也不在乎一个人睡。

youdao

Tom is nothing but a she-man-he's 12 years old but still afraid of sleeping alone.

汤姆真是个胆小鬼-他已经12岁了，但还是不敢一个人睡觉。

youdao

If there's nobody else in the bedroom,he's sleeping alone.

如果卧室里没有其他人，他就是孤独地睡去的。

耶鲁公开课 - 死亡课程节选

And, btw, no one at Social Security checks whether you are living together let alone sleeping together.

FORBES: 44 Social Security 'Secrets' All Baby Boomers and Millions of Current Recipients Need to Know - Revised!

She said Hathaway was downstairs alone at the time of the assault while his wife was upstairs sleeping.

BBC: Simon Hathaway jailed for killing his baby son Jordan

She said Mr Hathaway was downstairs alone at the time of the assault while his wife was upstairs sleeping.

BBC: Baby Jordan Hathaway died 'after father shook him'