9 Q4 d, v' W9 T0 O" ]; U {2 M He has difficulty in sleeping, inability to concentrate.(他不易入睡,也难集中精神。)% M+ X% h- j8 W# _& Y0 Z6 Q/ M# h
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It is usually hard for her to fall asleep when she goes to bed at night.(她晚上就寝,很难入睡。) " w' e6 {8 K( j: k, F3 g) U9 ?" r. V; L
He wakes during the night or early morning and finds it difficult to fall asleep again.(他晚间或清早醒来后,再也不能入睡。). C' ~1 T* r a2 o
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He has nightmares occasionally.(他有时做噩梦。)