He must have been sleeping because he didn't answer the telephone.とは 意味・読み方・使い方

He must have been sleeping because he didn't answer the telephone.

He did not try to go to bed at once.

He sat up all night.

He stayed up all night.

he sought the great oblivion of sleep

You ought to have known that he was sick in bed.

Feeling sick, he stayed in bed.

Since he was feeling sick, he stayed in bed.

He stayed in bed because he wasn't feeling well.

He tried to make up for his lack of sleep by taking a nap.

He slept on the question―slept on his reply.

He takes a nap without doing anything.

He pointed out the importance of sleep.

His anxiety was such that he could hardly sleep.

She said he was sick in bed, which was not true.

He said that he likes naps.

He slept for I don't know how long.

Why isn't he sleeping?

Worrying deprived him of sleep.

He was about to fall asleep, when he heard his name called.

I refuse to believe that he betrayed us.

He was just on the verge of going to sleep.

It looks like he couldn't sleep for a while.

He cogitated about the matter before he went to bed.

He set the alarm before going to bed.

His eyes were heavy with sleep.

He doesn't try to go to bed early.

He told you that you should go to sleep soon.

He lay down, never to rise again.

He always finishes his homework before he goes to sleep.