General Question

ladyv900's avatar

Why don't flies ever go to sleep?

Asked by ladyv900 (713 points ) September 9th, 2010

Flies,fruit flies, gnats, why don’t any of them ever go to sleep at all?And is it true that they only live up to 2 weeks?

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11 Answers

mrentropy's avatar

According to this, flies do sleep.

They live around 15 to 30 days.

If I was only going to live for 30 days, I probably wouldn’t sleep much.

poisonedantidote's avatar

you can actually make them sleep (if that’s what you want to call it) by putting them in the freezer for about a minute. i happen to know this because my father is a stage magician, and there is a cool trick you can do where you bring a bunch of flies back to life.

Response moderated (Unhelpful)
syz's avatar

You can also gas them to make them sleep. In genetics lab, we would anesthetize flies so we could examine them under a scope for certain traits. Too much gas and the fly dies, throwing off your population numbers. Too little gas, and they wake up and fly away, throwing off your population numbers.

Our lab always had lots of escapee flies all over the walls.

FireMadeFlesh's avatar

They do sleep. I remember getting up early one morning, around 5am, and there were about half a dozen flies asleep on the outside of my back door. They were so slow and groggy waking up none escaped. Compared to how quick they were the day before, I’m certain they were asleep.

Ben_Dover's avatar

They do sleep.

Response moderated (Unhelpful)
Eggie's avatar

Flies do sleep. At night they just sit on a wire or widowsill and they dont move because they sleep.

RealEyesRealizeRealLies's avatar

I wonder what kind of shit they dream about?

FireMadeFlesh's avatar

@RealEyesRealizeRealLies Probably human. You can’t find it anywhere these days, it all goes to waste!

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