Mould can be just as scary as it sounds. This fungal growth, which can be hiding behind your walls or under your carpet, can cause a myriad of health issues in otherwise healthy people and even prove catastrophic for those with certain illnesses or an allergy to mould.

Biology and lifestyle have a big impact on how much women sleep, and it is further impacted by women not giving sleep a high enough priority. People don't understand that "sleep is a biological need," says Dr Jeffrey Barasch, director of The Valley Hospital Sleep Centre in Ridgewood, New Jersey.

In an age of information overload, we are bombarded daily with oodles of data that bog down our body and brains, as we try to catch up with every bit of information that shows up by cutting on our sleep time. 30 percent or 40.6 million of American adults are sleeping six hours or less on a daily basis. You might be one of them!

Almost one-and-a-half million Australians work on shifts; a job situation that has been linked to health and safety problems as well as reduced performance. In the U.S., over 22 million workers are on evening, rotating or on-call shifts.