Hmm well that would depend a little on what's keeping you awake <.<

The top 5 things I'd recommend for sleeping better are as follows
1. Don't use a phone, tablet, e-reader, DS, grenade, phablet when you are actually in bed. Reason being is the light emitted from the screen goes straight through your eyes into the pineal gland which then promptly goes 'Oh bladdy ell it be morning already? and wakes you up (Delays the onset of melatonin which helps you get off to sleep).

2. No caffeine after nine o- pfft, fucking lightweights. What this should mean is don't make strong coffee before bedtime, for obvious reasons >.> Tea is still fine though.

3. Video Games, you don't want to be playing CoD/Battlefield/Halo before bedtime because you'll be tweaking off adrenaline. Shit like minecraft or pokemon is fine though, since it's not the sort of thing to have you twitching at the eyes.

4. Turn off your room's light an hour or so before you want to go to sleep, then dim the screen brightness if you are using anything. This helps trick your brain into thinking that it's night time (Even when it's late at night your brain is a stupid gook who thinks it's the middle of the day if you have the lights on.)

5. Sleeping tablets.
I kind of cheat on the insomnia game now, because I'm on a prescription that KOs you so no need to worry about feeling tired lol. For people who aren't on the crazy pills as it is, I'd recommend something with chamomile/valerian and that other shitty tasting herb in it.

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