If I take 5htp, sjw, caffeine, pregnenolone, SAMe, etc., before bed then when I wake up I have a tingling feeling in my head and sometimes my chest, too, and it literally feels like I haven't slept even one hour; this effect occurs even if I sleep 10 or 12 hours.
Rarely but sometimes melatonin can cause this effect as well, strangely.
My problem is that I have this problem every single day, even if I take nothing at all and go to bed early or late, do exercise before or not, etc.
I also have the problem of constantly gasping or sighing, like being very depressively tired, or something. But I am not depressed (at least don't feel anything).
I also have a problem with not feeling how tired I really am, so I have to be lucky to even feel my tiredness.
Could my problem be excess serotonin/serotonergic activity?
If so, what could I do to fix the problem?