what do you call someone who goes to bed late in the night?
what to call someone who goes to bed early, and the same way, one who goes to bed late. Actually, I am looking for terms analogous to "early riser" or "late riser"

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Someone who gets up early could be called an "early bird," and someone who stays up late is called a "night owl." Those are the two most common terms that I can think of.

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This is Jessica,may I know your  account?

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Well,I mean the WhatsApp group thing, can you remember?And I need your  WhatsApp account so that I can let you in.

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Hello! Someone who goes to bed late is a "Night Owl", and someone who gets up early is an "Early Bird" or a "Morning Lark". Where I live (in Florida in America), I tend to hear Early Bird slightly more than Morning Lark :)