Sleep is a vital, often neglected, component of every person’s overall health and well-being. Sleep is important because it enables the body to repair and be fit and ready for another day.There were several studies that scientists did in the early 2000s that looked at the effects of sleep deprivation.
Getting adequate rest may also help prevent excess weight gain, heart disease, and increased illness duration.A lack of sleep may affect a person’s desire or ability to maintain a healthful lifestyle, but it may or may not be a direct contributor to weight gain.
Man is the only mammal that willingly delays sleep.In general, exercising regularly makes it easier to fall asleep and contributes to sounder sleep. However, exercising sporadically or right before going to bed will make falling asleep more difficult.There are individual differences in the need to nap. Some adults and children need to nap. However, the majority of teenagers probably nap in the afternoon because they are not sleeping enough at night.Studies have found a relationship between the quantity and quality of one’s sleep and many health problems.Rates of insomnia increase as a function of age, but most often the sleep disturbance is attributable to some other medical condition.The body rests during sleep, however, the brain remains active, gets “recharged,” and still controls many body functions including breathing
According to research-
12% of people dream entirely in black and white
Before colour television was introduced, only 15% of people dreamt in colour. Older people dream in black and white more often than younger people.
Snoring is a common problem, especially among men, but it isn’t harmful.
Although snoring may be harmless for most people, it can be a symptom of a life threatening sleep disorder called sleep apnea, especially if it is accompanied by severe daytime sleepiness. Sleep apnea is characterized by pauses in breathing that prevent air from flowing into or out of a sleeping person’s airways.
A giraffe only needs 1.9 hours of sleep a day, whereas a brown bat needs 19.9 hours a day.
Within 5 minutes of waking up, 50% of your dream is forgotten
After an additional 5 minutes, 90% of recollection is gone. Sigmund Freud believed this was because dreams represent our repressed thoughts and so our brain wants to get rid of them quickly. However, it’s much more likely due to our brains simply being used much more as soon as we’re awake and so we forget much of what we’ve dreamed about.
Fear is said not to be the main emotion in nightmares
Instead, researchers have found that it’s most often feelings of sadness, guilt and confusion.