Without a doubt, the stimulant user's best friends are anti-psychotics (AP's), not so much benzodiazepines, because their dopamine antagonist nature can prevent the damage or neurotoxicty of drugs such as methamphetamine.
the writer uses Olanzapine, Quetiapine and Chlorpromazine (and the occasional Diazepam).
losing sleep prevents immune function regeneration so try your best to repay your sleep debt.
use only weekly or fortnightly and you're a champ.