Unverified90% confidenceDecision RuleTime unknown
尺寸选择应让宠物完全侧躺伸展时四肢不悬空，床长≥宠物身长×1.25；喜蜷缩睡的猫可选贴合体型的窝，但爱摊开睡的犬需宽松尺寸
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Unverified床垫内径长度应比宠物自然平躺时身长（鼻尖到尾根）大10-15cm，蜷缩型睡姿的猫和小型犬可选内径等于身长的圆形窝，伸展型睡姿的大型犬需选内径大于身长20%的方形垫91% similarUnverified床垫直径应为宠物身长（鼻尖到尾根）的1.2-1.5倍，蜷缩型睡姿的猫和小型犬选1.2倍，喜欢平躺伸展的犬选1.5倍或改选长方形垫91% similarUnverified床垫尺寸应按宠物完全侧卧伸展长度×1.3倍选择，狗类需容纳伸腿睡姿，尺寸不足会导致宠物拒睡改回地板，智能功能形同虚设91% similarUnverified垫子面积应比宠物身长×1.3以上，猫需能整个侧躺伸展，犬睡垫长度＝鼻尖到尾根×1.2，过小会导致宠物拒用90% similarUnverified窝的内径建议为宠物身长的1.2-1.5倍：太大缺乏安全感（宠物偏好包裹感），太小则无法伸展。蜷睡型猫可偏小，摊睡型犬需偏大90% similar
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