Most insomnia is not an illness or a physical condition so much as a symptom of another problem that may simply be a reaction to certain medications, anxiety about travel, or stress before a job interview.
an illness or a physical condition so much as a symptom of another problem that may simply be a reaction to certain medications
an illness or a physical condition so much as symptomatic of another problem that may be a simple one, like a reaction caused by certain medications
so much an illness or a physical condition but a symptom of another problem that may be as simple as when certain medications cause a reaction
so much an illness or a physical condition, but it is a symptom of another problem, maybe a simple one like certain medications causing a reaction
so much an illness or a physical condition but symptomatic of another problem, maybe simply a reaction to certain medications
这里后面的并列原来是a reaction to certain medications, a reaction to anxiety about travel, or a reaction to stress.. 只是省略了a reaction to而已，所以不是reaction和后面的在并列。Thanks！
