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Articles on Sleeping sickness

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When they suck your blood they can leave behind the parasite that causes sleeping sickness. Patrick Robert/Sygma via Getty Images

Bloodthirsty tsetse flies nurse their young, one live birth at a time – understanding this unusual strategy could help fight the disease they spread

This insect's unique reproductive biology could lead to new ways to control the species in the environment – and prevent the deadly sleeping sickness it spreads to people.
A father reads to his son while sitting under a mosquito net. Mosquitoes have undergone evolutionary changes due to long-lasting insecticide-treated nets. Georgina Goodwin and Vestergaard Frandsen

Why evolution must be at the centre of fighting parasitic infections

Although there have been global efforts to eliminate parasites, some parasites and vectors will have survived attack because they have evolved resistance.
Popular characters such as Sleeping Beauty illustrate our enduring interest in tales of people who sleep continuously or cannot stay awake. Sofi/flickr

The big sleep: science is waking up to the curious story of narcolepsy

Perhaps because we all need sleep, we have an enduring interest in sleep disorders such as narcolepsy, which causes a constant irrepressible need for sleep.

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