The researchers found outer birds half-asleep during some 32 percent of dozing time versus about 12 percent for birds in internal spots.

熱心網(wǎng)友

The researchers found outer birds half-asleep during some 32 percent of dozing time versus about 12 percent for birds in internal spots. 研究員發(fā)現(xiàn),野外鳥兒有百分之三十二的打瞌睡時間是處于半睡眠狀態(tài),相對于經(jīng)常在巢穴里的鳥才只有大約百分之十二的時間是處于半睡眠狀態(tài)。

熱心網(wǎng)友

研究人員發(fā)現(xiàn)：在外面，約32%打盹的鳥處于半睡半醒狀態(tài)，相比之下，在家里的約占12%。