The week’s best photos

A surfer rides the waves off the coast of Dakar, Senegal (Image credit: Jerome Favre / EPA / Shutterstock) Supporters of India’s Cockroach Janta Party scuffle with police as they attempt to march on Parliament House to demand the resignation …

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The return of biphasic sleep

Scientists are testing the “surprising theory” that “splitting sleep into two separate blocks” may be “the most effective sleep pattern for people working through the night”, said the BBC. Better management of insomnia Biphasic sleep means two distinct sleep periods …

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