Suzana Herculano-Houzel

Sleeping in the clouds

Here I am once again on a plane heading for the USA, to do my work on how many neurons it takes to build a monkey brain. An old monkey when it comes to long journeys, after seven years living abroad, I took advantage of the ease of buying tickets online to secure the place […]

Not a little dark: REALLY dark

We always hear that it’s important to sleep in the dark: “It’s so your eyes can really rest”, “it’s so your brain knows it’s night”, “it’s so your body can relax”. Silence is also important, for similar reasons: “to quiet the brain”. Hence the bedroom separated from the rest of the house, the electric lights…...

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Sun for the jet-lagged brain

Ah, the problems of modern life. When we were only bipeds and had no artificial light, going to sleep and waking up were simple matters, dictated by the time of the sun (and disturbed at most by an evening fire, or later a lamp); it was impossible to change time zones in the space of […]

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