50. Based on this article, what helps you sleep better at night?
(A) Do not drink any liquids before bed.
(B) Increase light exposure during the day
(C) Do not eat late in the evening.
(D) Get a comfortable bed, mattress and pillow.
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統計: A(5), B(260), C(14), D(9), E(0) #2027629
統計: A(5), B(260), C(14), D(9), E(0) #2027629