According to this article by WebMD, 2.2 million Americans complain of being tired. This is probably that general sense of lethargy you get after noon and throughout your day.
The thing is, you can prevent this and help yourself stay up and active more often than not – despite your work schedule.
This article covers altering your diet – slightly – while changing a few habits and getting the right rest. You may have heard some of it, but most of it should give some idea of some changes you could make.
Have breakfast… even if you don’t feel hungry. You’ll be a lot perkier: Studies show that people who eat breakfast feel better both mentally and physically than those who skip their morning meal. British researchers at Cardiff University even found that spooning up a bowl of breakfast cereal every morning is associated with lower levels of the stress hormone cortisol.
More information on cortisol [About.com]
Your Guide to Never Feeling Tired Again – [WebMD]