Måste du sova alla timmar i ett sträck?

En väldigt intressant artikel i NY-Times som tittar på påståendet att vi behöver 8 timmars sömn per natt och om det verkligen är så att vi behöver sova dessa timmar i sträck?

This, despite the fact that a number of recent studies suggest that any deep sleep — whether in an eight-hour block or a 30-minute nap — primes our brains to function at a higher level, letting us come up with better ideas, find solutions to puzzles more quickly, identify patterns faster and recall information more accurately. In a NASA-financed study, for example, a team of researchers led by David F. Dinges, a professor at the University of Pennsylvania, found that letting subjects nap for as little as 24 minutes improved their cognitive performance.

Rethinking Sleep