How to wake up in the middle of the night<br>Practice by waking up at the same time for a month. Nerves in your brain control your body's clock, known as your circadian rhythm. This rhythm is established by following a predictable routine, which is why you are able to wake up at the same time on the weekend as you are during the week if all factors are equal.
Practice by waking up at the same time for a month. This will programme your brain to help you always wake up at the same time.
This is a good technique for waking up at the same time each day. 
( z1 practice :mxde imperative :ARG0 ( z2 you ) :manner ( z3 wake-up :ARG1 z2 :time ( z4 time :ARG1-of ( z5 same ) ) :duration ( z6 temporal-quantity :quant 1 :unit ( z7 month ) ) ) )