However, people with moderate or severe cases of sleep apnea often need treatment and will wear continuous positive airway pressure (CPAP) masks during the night, which may make-or-break which sleeping position is most comfortable. According to Martin, depending on the type of CPAP mask someone wears or how large it is, some people with sleep apnea will have a harder time sleeping on their side because it puts pressure on the mask, which can cause it to leak air.
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（五）救助方在救助船舶、其他财产和人命方面的技能和努力；