YOU SAID:
I've slept about 20 hours straight.
INTO JAPANESE
約 20 時間連続で寝た。
BACK INTO ENGLISH
I went to bed in about 20 hours.
INTO JAPANESE
約 20 時間でベッドに行きました。
BACK INTO ENGLISH
I went to bed in about 20 hours.
Yes! You've got it man! You've got it