彼は流感で寝ている。の英語

He is in bed with he flu.

He's in bed with the flu.

He's in bed with (the) flu.

He is pretending to be sleeping.

He remains sick in bed.

I'm sure he's sleeping.

He is struggling with drowsiness.

He often sleeps.

He sleeps often.

He is taking a nap.

He is fast asleep snoring.

I am told that he is ill in bed.

He is laid up with an illness―He is ill abed―He is confined to his bed―He is laid by the heels―He must keep his bed―（文章なら）―He lies on a bed of illness―He is laid on his back.

He sleeps well.

He is confined to bed now.

He's fast [sound] asleep.

He's sound asleep.

He remains sick in bed.

He sometimes oversleeps.

He is fast asleep―sound asleep―far gone in sleep.

He is sound asleep.

He is laid up with an attack of rheumatism.

He is probably sleeping now.

He should be sleeping under here.

He is sleeping now.

He was sick in bed.

He was sleeping on his face.

He is sound asleep―fast asleep.

He's still sleeping.

He pretended to be sleeping.