cannot sleep on reta!

Hi guys looking for advice. I took my first dose of .5 on Sunday around 6 PM.

it's now Wednesday and every night my sleep has been rough! LIke my body is exhausted and I have no thoughts, I just can't sleep.

I experienced this sensation on anti depressants once and had to get off of them after a month.

I know this is a side effect for some people... will this go away? Is it too early to tell?