A recent report from Climate Central suggests that rising nighttime temperatures are contributing to substantial sleep loss across India, with the greatest climate related burden observed in Tamil Nadu. The findings highlight sleep disruption as an increasingly important public health concern as warmer nights become more common. The report, Climate Change is Costing People (2020 to 2025), analyzed data from 107 Indian cities and estimated that people living in southern India lose approximately 78 to 91 hours of sleep each year because of nighttime heat.
Of this, about 8 to 9 hours annually were attributed specifically to climate change. Among Indian states, Tamil Nadu recorded the highest climate related sleep loss, with an estimated 7.9 additional hours of sleep lost per person each year. Chennai reported the greatest overall sleep loss among major metropolitan cities at 93 hours…
