Should i revise the morning before an exam1

Yes, you should revise the morning before an exam

It helps in memorizing the subject and improve your score

"जो सोवत है वो खोवत है, जो जगत है वो पावत है"

Your grasping efficiency will be more in the morning

As in the morning your mind will be on relax and refreshed

You will get maximum output from the minimum input.