They may be afraid to sleep alone at night, with the light off, to sleep in their own room, or have nightmares or bad dreams.
他们可能害怕晚上一个人睡、关灯睡觉、在自己房间睡，或者会做噩梦。
Although previous research has suggested that sleep alone can help consolidate memories, this study is the first to show that sound cues can strengthen specific spatial memories.
尽管之前的研究已提示睡眠本身就可加强记忆，但这项研究首次揭示了声音也能增强特定的空间记忆。
Laugh, and the world laughs with you; snore and you sleep alone. — Anthony Burgess, British novelist.
笑，全世界都跟你笑；打鼾，只有你自己独自睡觉。- - - - - -英国小说家伯吉斯。
Couples who share a bed for years get used to each other so much that if they then spend a night apart they actually have a worse night's sleep alone than when together.
多年同床的夫妇对彼此已经习以为常，如果单独睡觉的话，他们的睡眠效果会比同床时差。
Couples who share a bed for years get used to each other so much that if they then spend a night apart they actually have a worse night's sleep alone than when together.
多年同床的夫妇对彼此已经习以为常，如果单独睡觉的话，他们的睡眠效果会比同床时差。
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