Prevent Tiredness

The spring and autumn equinoxes lie halfway between the shortest and longest days of the year. At these points, day and night are mostly even lengths all over the world.

These conditions may suit the human circadian rhythm - the daily cycle that affects the body's sleep, w...

Any goal or project will usually have these basic qualities:

• A general ambition or motivation. (e.g. learn French)
• A specific target. (e.g.  speak fluently)
• A time-frame or deadline. (e.g. in 6 months)
• Constraints or methods. (e.g...

Around 30 to 50 percent of people sleep between the hours of 11 pm and 7 am. Another 40 percents are either slightly morning people or slightly evening people.

To understand why some people are early birds while others are night owls, we have to take into consideration the body...