facts about sleep, Sleep is a naturally recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity and inhibition of nearly all voluntary muscles during rapid eye movement sleep, and reduced interactions with surroundings.
Adults between 18 and 64 need seven to nine hours of sleep per night. Adults over 65 need 7-8 hours. 35.2% of all adults in the U.S. report sleeping on average for less than seven hours per night. Almost half of all Americans say they feel sleepy during the day between three and seven days per week.
Why do we need to sleep ?
Sleep is an essential function that allows your body and mind to recharge, leaving you refreshed and alert when you wake up. Healthy sleep also helps the body remain healthy and stave off diseases. Without enough sleep, the brain cannot function properly.
Why should we sleep only at night ?
Staying awake all night and sleeping all day for just a few days can disrupt levels and time of day patterns of more than 100 proteins in the blood, including those that influence blood sugar, energy metabolism, and immune function, according to new University of Colorado Boulder research published in the journal
What is Sexomnia ?
Sexsomnia, also known as sleep sex, is a distinct form of parasomnia, or an abnormal activity that occurs while an individual is asleep. Sexsomnia is characterized by an individual engaging in sexual acts while in non-rapid eye movement (NREM) sleep.
Who invented Sleep ?
Approximately 65 Years Ago, Eugene Aserinsky Discovered REM Sleep. It was Sigmund Freud who stated, “Dreams are the royal road to the unconscious.” Eugene Aserinsky (May 6, 1921 – July 22, 1998), a pioneer in sleep research, was a graduate student at the University of Chicago in 1953 when he discovered REM sleep.
Reason for Sleep Talk
Sleep talking usually occurs by itself and is most often harmless. However, in some cases, it might be a sign of a more serious sleep disorder or health condition. REM sleep behavior disorder (RBD) and sleep terrors are two types of sleep disorders that cause some people to shout during sleep.
Length of Dream
The length of a dream can vary; they may last for a few seconds, or approximately 20–30 minutes. People are more likely to remember the dream if they are awakened during the REM phase. During a full eight-hour night sleep, most dreams occur in the typical two hours of REM.
When light seeps through our eyelids and touches our retinas, a signal is sent to a deep-brain region called the suprachiasmatic nucleus. This is the time, for many of us, that our last dream dissolves, we open our eyes, and we rejoin our real life.
what causes nightmares ?
Nightmares can be triggered by many factors, including: Stress or anxiety. Sometimes the ordinary stresses of daily life, such as a problem at home or school, trigger nightmares. A major change, such as a move or the death of a loved one, can have the same effect.
facts about sleep
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