Having "Me" Time

I need my sleep but sometimes I wonder, why do we sleep?  Do I really need to sleep? If I didn't sleep I could spend more waking hours doing a million more things. Why we sleep though is a question that has been asked for centuries and still no one really knows the answer.  I do not know why I sleep, but I know that if I do not get enough sleep, the next day becomes a waste of a day. I get headaches, feel groggy and my concentration level is low.   This lack of sleep is what scientists have been studying for centuries in an attempt to better understand why we sleep. Scientists study these various effects of sleep defiency to better understand sleep.  Without it,  our cognitive skills would be harmed and brain development probably affected. If you think humans sleep to save energy, the BBC article "The Science of Sleep" mentions that for eight hours of sleep, we only save about 50kCal which is very minimal.  One piece of my Peppe...

Since it was just the New Years in Thailand and New Years is not only a time for celebration but also of resolutions, I made one more this past week.  It's something I've been working on for the past month but I keep getting drawn back into this vicious cycle of sleeping late, waking up late, feeling groggy, lacking energy and so forth.  It's a horrible cycle to be in.  I feel exhausted but its so hard to get out of. I therefore have a new resolution to sleep early, latest by 22.30hrs.   It might sound a bit early to most, but to me it makes a big difference.  The past two days I've managed to get myself to bed early and the result is a much more energetic, happier and fresher me.  My brain is clearer and I find myself more focused at work.  I run better and I am not as out of breath. I work better when I've had good quality sleep. This is even though I sleep the same amount of hours as if I went to sleep at midnight or 1am, b...