A recent study by mobile insurance revealed that the average person spends 90 minutes a day on their phone. These 90 minutes a day add up to approximately 23 days on our phones the whole year. Researchers also noticed that phones are slowly starting to creep into our sleeping time with alarm clocks.   SOURCE: http://www.mobilestatistics.com/mobile-news/23-days-a-year-spent-on-your-phone.aspx