By Stephen Beech

People are losing an average of 15 to 17 minutes of sleep each night due to global warming, according to new research.

And the likelihood of experiencing "short sleep" - defined as less than six hours per night - increases by around 40% during heatwaves, say scientists.

The international study, led by sleep experts at Flinders University in Australia, reveals that rising temperatures are silently chipping away at our sleep and our health, too.

The findings, published in the journal Sleep , show that warmer nights are causing "widespread" reductions in shuteye duration around the world.

Analyzing in excess of 165 million nights of sleep data from more than 317,000 users of wearable and under-mattress sleep tracking devices, the research team found that when tempe

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