After reading the article’s title, there is 80% of chance that you will yawn too. In reality, this reflex often linked to fatigue, boredom, stress or overwork,is contagious. The mere mention of yawning may be sufficient to cause it. Interestingly, this contagion has also been observed in chimpanzees. However, the real cause of this contagious […]
Giraffes need less sleep than any other mammal. In fact, they sleep between 10 minutes and 2 hours over a time span of 24 hours which is an average of 1 hour and 9 minutes of sleep a day. Giraffes have adapted themselves to the environment where they live in order to stay awake as […]
66% of women lose sleep during their menstrual cycle each month. This is mainly due to a rapid decline in progesterone, a hormone that has sedative qualities. Several other factors cause insomnia in women during menstruation, such as blood loss, depression, irritability, headaches and abdominal cramps.
Bulimia or anorexia nervosa significantly interfere with sleep. In fact, most people with eating disorders suffer also from sleep disorders. According to statistics, about one patient (bulimic or anorexic) out of every two at least has sleep disorders.