Please translate the given English sentence to Hindi
पवाल के मुताबिक जाँच से यह साफ - साफ पता चलता है कि ऊँघते वक्‍त गाड़ी चलाना ज़्यादा खतरनाक है ।
Nearly half of the worlds children live with a smoker, says the University of California Berkeley Wellness Letter, commenting on a recent report from the World Health Organization.