Avoid multitasking
that's just make you confused, and tired quickly
give youmore and more new tasks, never ending

"Chrome Method"
wow, nice approach

I have an ebook bout better sleep, if you want to read, just to check it here
aldohas.com/download-ebook-secrets-of-the-inner-sleep-clock/

but, sometimes you can look like an asocial person when you using iPod. Enjoy your own world and don't care what happen surround you.
:)