That night I slept very badly.

那天晚上我睡的很糟。

youdao

I slept very little last night.

昨晚我几乎没怎么睡。

《牛津词典》

I slept very badly last night.

昨天夜里我睡得很不好。

《新英汉大辞典》

when I got tired, I slept.

VOA: standard.other

I used to bring my dog and he slept under the table.

我曾经带过我的狗来上课然后它就睡在桌下面。

麻省理工公开课 - 电影哲学课程节选

I feel like I haven't slept in days.

我觉得我好像几天没睡觉了。

so that 实战 - SpeakingMax英语口语达人

At night I slept in spare lodges, haunted by reccurring dreams of the road accident.

BBC: Nepal's year-round trekking route

That night, I slept on it in our quaint wood cabin perched on the steep mountain face.

WSJ: Tom Rob Smith Climbs Mount Fuji | Traveler's Tale

Mr. PAUL BROWN: (Singing) Well, last night I slept in the open, down by a redwood tree.

NPR: Jazz Guitarist Paul Brown and 'The City'