S-modafinil and only S-modafinil (not R-modafinil) makes me physically shaky?

[u/FrouFrouLastWords]

About two week ago I started a split schedule where I take Modafinil immediately when I wake up, and Armodafinil right before I leave for work. What I noticed is that when I'm only on the Moda (and therefore am on S-modafinil, since Moda is 50:50 S-modafinil and R-modafinil), I get shaky. Later on in the day when the S-moda is no longer active and I'm only on R-moda, it doesn't happen. Even though my energy level is the same, and overall everything is the same with me except for the shakiness. This occurred before with my one dose a day schedule, but I thought the shakiness was from being overstimulated. Now, I'm not overstimulated at any point. I planned my dosing schedule thoughtfully so that my energy level is even all day.

It's not like I'm a surgeon or anything so it's not completely mucking up my life or anything. It's still unwanted and weird. Anything I can do? I was thinking about trialing L-theanine soon, and then Propranolol. See if either of those, or both together, would help with this.

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