On overnight flights, I have trained myself to get to sleep almost instantly after takeoff. I always listen to the same audiobook on my iPod so my brain knows, regardless of time zone, that that voice means it's time for bed. (Margaret Heffernan)

On overnight flights, I have trained myself to get to sleep almost instantly after takeoff. I always listen to the same audiobook on my iPod so my brain knows, regardless of time zone, that that voice means it's time for bed.

Margaret Heffernan

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almost bed brain listen overnight sleep time voice zone means takeoff audiobook ipod

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