Research presented to a world sleep conference in Cairns this week has found that one or two hours more sleep can dull sensitivity to pain as much as 60 milligrams of analgesic drugs.

• 在本周的一个世界性的睡眠会议上的一项研究表明：1－2个小时的睡眠能减缓人对疼痛的敏感性，其功效相当于60毫克镇痛药。