Effect of increasing night heat on sleepImage Credit source: Getty Images
The changing weather in big cities of India is now affecting the everyday life of people. The heat at night has also increased continuously in the last few years. Due to this, many people may have problems like not being able to sleep properly, waking up repeatedly at night and feeling tired in the morning. Good sleep is important for both body and mind. If the weather is too hot at night, it can be difficult to get comfortable sleep. This is the reason why many studies are being conducted around the world regarding the relationship between increasing night heat and sleep.
recently Climate Central Has analyzed data from more than 1,300 cities of the world and more than 100 cities of India between 2020 and 2025. Many big cities of India have also been included in this study. In this, an attempt has been made to understand how the rising temperature at night is affecting people’s sleep. Let us know what has come out in this study and what information has been given about the big cities of India.
What came out in Climate Central’s study?
Climate Central study of According to, more than 1,300 cities of the world and more than 100 cities of India were included in the analysis conducted between 2020 and 2025. It was found that rising temperatures are also affecting people’s sleep. Chennai was the most affected city in India, where sleep is estimated to be reduced by about 93 hours every year. This was followed by Mumbai (84 hours), Kolkata (80 hours), Ahmedabad (78 hours), Hyderabad (75 hours), Bengaluru (67 hours), Delhi (66 hours) and Pune (65 hours).
The study also states that the decrease of about 5 to 8 hours in total sleep time in these cities every year may be related to the increased night temperatures due to climate change. Experts say that this is an effect of the changing climate, which is important to pay attention to.
How do hot nights affect sleep?
According to Climate Central, for good sleep it is necessary for the body temperature to naturally drop slightly. But when the heat persists even at night, the body may face difficulty in cooling down. This may cause difficulty in falling asleep quickly or you may wake up repeatedly during the night. Not getting good sleep consistently can cause fatigue, irritability, difficulty concentrating and affect your ability to work.
The study also states that prolonged lack of sleep can increase the risk of heart and nerve related problems. Apart from this, sleepiness throughout the day, mistakes during work and risk of road accidents can also increase. Therefore, getting adequate and good sleep is considered very important for health.
What things should be kept in mind for good sleep?
For good sleep, keep the room as cool and comfortable as possible. Avoid heavy meals, caffeine and excessive use of mobile or laptop before sleeping. Make a habit of sleeping and getting up at the same time every day. Wear light and loose clothes and do not allow dehydration in the body.
If the weather is very hot, then make arrangements for ventilation in the room or use fans and AC properly. Doing regular physical activity during the day can also help in getting good sleep at night. If the problem of insomnia persists for a long time, frequent sleep breaks or feeling tired throughout the day, then it is better to consult a doctor.
