裸のまま寝ます。の英語

sleep in the raw

I lie on my face.

He is dead asleep―fast asleep―sound asleep.

in the buff

go naked

Naked as a jaybird.

lie asleep

in the altogether

in the altogether

to lie down in a carelessly sprawled way

to bare anything （of its covering）―denude a tree of its leaves

strip to the buff

to strip oneself stark naked―strip （oneself） to the skin

completely unclothed

(all) in the buff

to strip oneself of one's clothes―strip oneself naked―strip （oneself） to the skin

to lose one's wardrobe―sell one's wardrobe

get undressed

I shall go to bed, if you please.

in a deep sleep

He sleeps like one dead.

fall into a deep sleep

to strip one stark naked

bathe in the nude

to strip one of one's clothes―strip one naked―strip one to the skin

lie without sleeping

to fleece a woman of her wardrobe

strip

Please undress from the waist up.

to strip oneself stark naked―strip （oneself） to the skin