Latuda Side Effect?

AnnaMarie • I`m AnnaMarie. Married 10/14/2017, and our son was born 7/20/2018. 💙
So, I recently started taking Latuda 20 mg for my depression. So far it's been great, MUCH better than Seroquel. But the past few nights I've noticed something weird and I'm not sure if it's a side effect of the Latuda or something completely different.
When I'm laying in bed at night trying to sleep, I feel like my right leg is way longer than my left leg, by like 3 feet. It feels like my body is curved and one leg is super long and the other is normal length. This only happens when I'm laying in bed, more so when I have my eyes closed. 
This is what it feels like visually: 
I drew it as if I was looking down on myself from above. I don't know, it's just really weird and really annoying and is keeping me from sleeping. Any ideas???