Why do cicadas stay up all night chirping irregularly, unable to sleep?

Their cicadan rhythm is off

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Sleep Jokes More Sleep Jokes

Why did Jimmy take a ruler to bed?

To see how long he slept for.

What famous band sleeps the least?

Slipknot

Stay Jokes More Stay Jokes

What do you get when if you cross an insomniac, a dyslexic and an agnostic?

A person who stays up all night wondering if there is a dog.

How did the other stay on?

He was a little more on...

Night Jokes More Night Jokes

Why did Thor decide to sleep in?

He was up all night to Get Loki.

What does an agnostic ... dyslexic insomniac do at night?

He lays awake and wonders if there really is a dog.