i was on them for a week and hated them, they made my morning very slow as it took my longer to wake up, they also gave me dreamless sleep which is not something i like becuase its kinda scary, lol, the best thing i found to do, was go to bed earlier than you would, dont take any revision books or anything with you to bed, dont switch on the radio or anything, and dont ptu your phone in you room. just turn off the light (dont put the lamp on) and try to asleep, you'll feel really restless, but after a lil while your body will get tired and bored and fall asleep, you wont even remember falling aslepp too, it does work, the first night might be a bit rough, but afte rthat youll be fine