Unverified85% confidenceDecision RuleTime unknown
记忆棉颈枕密度≥50D时支撑更稳定不易塌陷，飞机长途（≥5小时）睡眠优选；充气颈枕虽便携但支撑力随时间漏气衰减，仅适合短途小憩
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85%
Confidence
Long-term
Relevance
-
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