Results from case studies may not be borne out by controlled or prospective, longitudinal studies, stimulants may be underused, and behavioral therapies are understudied.
Hot chocolate is traditionally a bedtime drink but this contains high levels of xanthines (caffeine and theobromine), which are stimulants and so may be counter-productive.
They're still used in medical products (including antiseptics, decongestants, and stimulants), foods (such as cough drops and sweets), perfumes, toothpastes, industrial solvents, menthol cigarettes, and more.