In today's time, more and more people use smartphones. In such a situation, if you sleep with a mobile phone under the pillow or on your chest while sleeping, then leave these habits soon because it can prove to be very dangerous for you. Let us tell you that sleeping with a mobile close at night also has a negative effect on the brain. Today we will tell you what are the dangers of it. Risk of cancer and tumor- The habit of sleeping with a mobile phone close at night can prove to be fatal for you. In fact, the radiation emitted from mobile phones is at risk of causing fatal diseases like cancer and tumours. Insomnia Problem- At night, a hormone called melatonin is released in our body which prepares the body for sleep. However, due to the use of mobile phones at night, due to the radiation emitted from the phone, this hormone is not released properly and there is a problem of insomnia. Increases the level of stress hormone in the body - It is advisable to stay away from mobile phone at night because its excessive use increases the level of stress hormone called cortizone in the body and you remain under stress even during sleep. The structure of DNA can deteriorate- Keeping the mobile phone always attached to the body can also spoil the structure of your DNA. Depression and stress - Radiation from mobile phones has a bad effect on the brain. Due to this, the nerves of the brain start shrinking, due to which the right amount of oxygen does not reach the brain. Risk of diabetes and heart diseases- Sleeping with mobile phone close at night increases the chances of diabetes and heart diseases. OMG! The regular use of painkillers is dangerous! Shocking revelation in the study From swelling to sweating, here are 7 symptoms of heart attack If you have a heart attack, do this work, you will be saved.