あなた have to train yourself to do it. For example, while あなた are awake あなた have to test your reality to see if あなた ARE awake. あなた can try 読書 something near あなた ( preferably a sentence ) look away and then look back and see if it reads the same. IF it does , あなた are awake. If あなた are dreaming it may mean the same thing but the words will be different. あなた have to do this repeatedly all day. There are other ways to check as well. Check this link out ( found on ファンポップ in Dreams )
Scroll down to view the 6 basic steps )
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