22．Causes　根据第二段Sleeplessness can be caused by many different things.可判断。

　　23．An outside stimulus　根据第二段Most people experience sleeplessness for an outside stimulus (刺激) such as stress, improper diet or a poor sleeping environment.可判断。

　　24．Physical　根据第四段Sleeplessness not only has effects on your physical self but also your emotional well－being.可判断。

　　25．illnesses　根据第三段…those who have little sleep may be more affected by both acute and chronic illnesses like high blood pressure and diabetes.可判断。

　　26．Producing anger　根据第四段Being unable to sleep well for a few nights may only produce anger.可判断。

　　27．depression　根据第四段However, if sleeplessness becomes chronic, the price could be much higher in the form of anxiety, depression and possibly substance abuse.可判断。

　　28．Solutions　根据第五段There are numerous ways for mild sleeplessness at home.可判断。

　　29．tea or coffee　根据第五段Prepare your body for sleep by avoiding drinks such as tea or coffee before bed.可判断。

　　30．relaxing exercises　根据第五段Don’t exercise too much before bedtime; instead, do something to relax yourself.可判断。

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