Tesla and SpaceX CEO Elon Musk is having trouble sleeping.<br />In a Thursday New York Times interview, Musk opened up about his struggles over the past year.<br />"It is often a choice of no sleep or Ambien." Elon Musk<br />Musk's use of recreational drugs has reportedly worried Tesla's board.<br />The board reportedly thinks Musk's reliance on Ambien could be contributing to erratic late-night tweets.<br />"I've learned some lessons...such as tweeting on Ambien isn't wise." Elon Musk in 2016 <br />
