1.  I was counting sheep all night. 我一整晚都在数羊。

　　2. I passed a wakeful night. 我彻夜未眠。

　　3. I was up all night. 我一整晚都没睡。

　　4.I couldn't fall asleep last night. 我昨晚睡不着。

　　5. I've been suffering from insomnia. 我近来饱受失眠之苦。