What is the past tense of sleep?

They interviewed a teenage girl who at one point uttered the sentence "I slept walked." I don't think I have ever heard anything like that before. She not only analyzed "sleep walk" as a verb-verb compound (where I would have called it a noun-verb compound), but she inflected both verbs to make it past tense. read more

The past tense of sleep is slept. The third-person singular simple present indicative form of sleep is sleeps. The present participle of sleep is sleeping. The past participle of sleep is slept. read more

I'm not sure if it is past tense. Definitely, it is present tense, and can be used in future tense, as well. read more

Simple Future Tense; He/She/It will/shall sleep. I will/shall sleep. You/We/They will/shall sleep. read more