Sleep-deprived birds have more sex, study finds

Exhaustion rarely makes humans feel in the mood for love, but for our feathered friends? That’s another story — apparently sleepy time equals sexy time. A study of pectoral sandpipers near Barrow, Alaska, where light shines nearly 24 hours day, found sleep-deprived birds have greater mating success. The investigation looked at the birds' sleeping patterns, as well as chick paternity, and concluded that male birds who sleep less father more offspring. Researchers said the behavior may be linked to a mating strategy, noting that pectoral sandpipers are polygynous, and their monogamous counterparts appeared to be sleeping during their period of mating activity. [Source]

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