93 Hours a Year in Chennai: Warmer Nights Are Stealing India's Sleep, and the South Is Losing the Most

93 hours a year in Chennai: Warmer nights are stealing India's sleep, and the South is losing the most

A new analysis finds Tamil Nadu carrying India's strongest climate signal, with 7.9 extra hours of sleep lost per person a year to warmer nights.

Just snooze and no sleep? Blame the hot nights, climate change, says new study

Report finds Chennai, Mumbai, Calcutta, Bengaluru and Delhi among hardest hit as rising night temperatures steadily erode healthy sleep duration

India among global hotspots for climate-related sleep loss, highest in Tamil Nadu: Report

Rising night-time temperatures are emerging as a public-health threat, with poor sleep linked to cardiovascular disease, poorer mental health, weakened immunity and reduced productivity.

India among global hotspots for climate-related sleep loss, highest in Tamil Nadu: Report - The Tribune

An average person lost nearly 56 hours of sleep each year due to nighttime heat between 2020 and 2025.

Climate change cutting sleep across India, Tamil Nadu records highest annual loss: Climate Central Report

India has emerged as one of the global hotspots for climate-related sleep loss, according to a Climate Central report. Learn how rising night-time temperatures are reducing sleep, why Tamil Nadu recorded the highest climate change-linked impact, which cities are most affected, and the health risks experts associate with persistent sleep deprivation, based on findings reported by PTI.

Chennai tops Indian cities in sleep loss due to nighttime heat

The largest impacts were concentrated in places that have already experienced extremely warm nighttime temperatures.