GS1The Indian Express · Current Affairs
People losing sleep in big cities due to high night-time temperatures: Study
Urban India’s rising night-time temperatures are worsening sleep loss, heat stress, and health risks, especially for vulnerable populations.
SP
Samachar Pathshala Desk
Published 16 Jul 2026 · 1 min
Key takeaways
- Major Indian cities are experiencing higher night-time temperatures, which can reduce sleep quality and increase heat stress.
- Urban heat, dense construction, and climate change contribute to higher night-time temperatures in cities.
What happened
A study on major Indian cities has found rising night-time temperatures, including in Delhi, Mumbai, and Hyderabad. The finding matters because higher minimum temperatures reduce sleep quality and raise heat stress, especially for vulnerable groups.
The UPSC angle
GS1GS2GS3
Urban night-time heat as a climate and public-health issue
UPSC can frame the issue around the urban heat island effect, climate adaptation, and public-health responses. Prelims may test the concept of minimum temperature or urban heat island, while Mains may ask about health impacts, planning solutions, and adaptation strategies for Indian cities.
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