Circadian rhythm

Shift-workers have higher rates of health problems For those of us who have worked shift work, we know it can be hard to deal with and take a real toll particularly if we are not sleeping well or [...]

Seasonal affective disorder (SAD) is real People are often familiar with the term seasonal affective disorder (SAD) or winter blues. This is a lowering of mood particularly during the winter [...]

The circadian rhythm controls most body functions Every living thing has a number of internal rhythms that control many functions. Some rhythms are short, such as a cycle of sleep that lasts [...]