Need help

Today is day 6 of me taking Prozac. Last night I was having a hard time falling asleep, out of nowhere my legs started to feel funny and my arm too, I decided to control my breathing and just try to go to bed. I woke up 20 minutes later, panicking, confused, sweating, my whole body felt numb and it felt like I was spinning. I never felt anything like this before I was scared shitless, I was able to get up and use the bathroom. I think getting up helped my body realize it wasn’t paralyzed and I was able to go back to sleep fine. But then today my knees feel weak, legs are heavy, and my arm still feels funny. Has anyone experienced this before?