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Past tense of “sleep”

😴 To rest with your eyes closed at night.

Number 49 of 175 by frequency, well inside the everyday core, and the past and the participle are both slept. Worth learning properly rather than recognising vaguely.

Mistakes people make with “sleep”

Not “sleeped”. Sleep does not take -ed — the past simple is slept, however regular it feels to add the ending.

Phrases you will actually hear

These are worth learning whole. A verb sticks far better inside a phrase somebody would really say than on its own in a table.

Two forms, learned as one word

The past simple and the past participle are the same word, slept. Half the work disappears: learn sleep · slept and you have the whole verb. What is left is telling the two jobs apart — The baby slept for ten hours last night. is the past simple, He has not slept well lately. is the perfect, and have does all the signalling.

There is no tidy rule connecting sleep to slept — this is a verb you memorise as a pair and stop analysing. The consolation is that it is a pair and not a trio: sleeped is the only wrong answer worth guarding against.

The same pattern — twins — runs through 73 verbs: