To avoid these issues, impose a moratorium on all electronic devices in the hour before your normal bedtime and be cautious about bright light from any sources in the hours before bed.

为避免这些问题，在正常上床睡觉前的一个小时停止使用所有电子设备，避开任何光源发出的亮光。

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In reply, the hosts reached 76 for two when bad light stopped play half and hour before the scheduled close.

BBC: Pakistan fall to Peterson spin