Continue taking vit D once a week for another 4 weeks and add a
calcium+magnesium supplement for 1 month. Keep active throughout the day, the symptoms you are experiencing is similar to muscle cramps. Keep drinking water at least 2L per day, all pain will go away. You can sleep to the side as well no harm
Next Steps
Continue Vit D, no need to check blood levels immediately
Health Tips
Hydration