You just need sleep and sweet water .
你只需要睡眠和甜水。
Sleep and food and water are among the biogenic needs of the organism .
睡眠、食物和水属于生物体的基本需要。
An inflatable airtight sack on which to sleep or float in water .
充气床垫；充气救生筏：一种充气袋，可以在上面睡觉或在水中漂浮。
sleep water