We all know how easy it is for a smartphone to become welded to your hand. It seems that many users can't even get out of bed without checking in on their beloved phone first. A survey by telecom equipment maker Ericsson (the PDF is here), finds that 35 percent of iPhone and Android users in the US use non-voice applications before they even step out of bed in the morning. The most popular app launched before getting up? You guessed it. Facebook.