For me, and both a lot of autistic people and people with ADHD, coffee acts as something that calms rather than energizes. For this exact reason for years I would sneak coffee beans into school because crunching them would help calm the over stimulation a bit and help me focus.
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Diagnosed autistic level 2, ODD, anxiety, dyspraxic, essential tremors, depression (Doubted), CAPD, hyper mobility syndrome
Suspected; PTSD (Treated, as my counselor did notice), possible PCOS, PMDD, Learning disabilities (Sure of it, unknown what they are), possibly something wrong with immune system (Sick about as much as I'm not) Possible EDS- hyper mobility type (Will be getting tested, suggested by doctor) dysautonomia