The past irregular tense is slept.
In the sentence you want to sleep when you are tired the words to sleep are an irregular verb. Verbs who do not follow the typical pattern for conjugation are called irregular verbs.
The verb "to sleep" in French is "dormir". It's an irregular -ir verb, and in present tense it conjugates as:je dorstu dorsil dortnous dormonsvous dormezils dorment
"Have" is an irregular verb in English.
It's irregular.
It's an irregular verb.
irregular verb irregular verb
It's an irregular verb.
Ate is an irregular verb.
It's an irregular verb.
It's an irregular verb.
Yes it's an irregular verb.
Yes it's an irregular verb.