One thing that I noticed sleep comes to, is exhaustion. Often one can be extremely tired after a hard day of exercising, or anything else that makes you feel as if you have a load on you for that matter.

My first suggestion is monitor time. Our mind is what controls time, and if we focus on it, time goes by slower. Count down the ticks, stare at a clock while doing something. Never let time slip by your fingers.

Another thing about time is, perception. I noticed my laptop clock was set back an hour. Surprisingly enough, I got exhausted an hour after my usual period of tiredness. It kept resetting time and I didn't know it; so in the end, I was able to puzzle my own mind without knowing it.

What can help too, is just using methods to relieve tiredness. Of course, I don't highly recommend this, but is a good 'waker'. I don't like coffee, so I usually use cold drinks or soda. Recent studies have shown coffee is good for you, but I recommend you searching more up on that.

Technology is a good way to indulge yourself to be awake, but of course if you don't want to wake up with a headache the next morning, I don't recommend it.