Routinely having a good night's sleep is often a challenge for many millennials and Generation Z, but not for the same reasons, a recent Calm study found. “A lot of people just lump those two groups together and that would not be the case,” clinical psychologist and Calm’s Chief Clinical Officer Chris Mosunic told USA TODAY. “They're only a few years apart so it's pretty crazy to see how rapidly just a few years can separate a sleep pattern.” Mosunic said a major distinction that stood out to him was that Gen Zers are not falling asleep nearly as fast as millennials. Falling asleep is difficult for 46% of Gen Z and for just 25% of millennials, the study found. Mosunic said technology use is a major reason why. Find out more in the link in bio.