Difficulty sleeping already? 16 weeks

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Did you all have trouble sleeping at this time? My body aches horribly after lying on my side for less than 30 minutes so I am constantly tossing and turning and changing positions throughout the whole night. I end up just getting up around 3am for a couple hours before I can fall back asleep. I've dealt with chronic pain from back surgery my whole adult life so I'm just wondering if this is just me and my crappy body or if others are experiencing it also