Circadian rhythm

The internal pace make and biological control system: biological processes that repeatedly occurs on roughly a 24-hour cycle (sleep, body temperature etc.).

Circadian rhythm may vary from person to person in terms of its pattern; some like going to sleep early and some late; even during the day some need a midday nap and some do not.

REM: rapid eye movement sleep

Sleep characterized by rapid movement of the eyes. A little more than 20% of an adult’s sleep time is dominated by REM.

Occurs during stage 1 sleep. Sleep is very deep and the major muscles seem as if paralyzed. Difficult to wake up the person during REM sleep. Usually people dream during REM. It is thought that eyes move back and forth during REM because they are following the action taking place in dreams.

REM sleep plays and important part in a person’s life; physical and psychological; as the body needs a certain amount of REM sleep. Experiments have shown that people whose REM sleep was interrupted and disturbed by being awakened, exhibit a rebound effect: they try to avail every change to get REM sleep whenever they get a chance.

How much sleep is required?

The number of hours people need to get to sleep may range from 3-9 hours and even less or more, but on average people sleep for 7-8 hours at night.

Sleep has a cumulative effect. Sleep deprivation in humans as well as animals has adverse effects although temporary. Sleep deprivation affects all faculties, mental and physical: causes fatigue and irritability, concentration and logical thinking are adversely affected.

Reaction time is slowed. Sleep deprivation may have serious consequences in case of academic performance, automobile driving and certain professions requiring sharp alertness of mind and body.


Don’t forget to Like, Follow and Subscribe to Ally xoxo Blog for your daily dose of inspirational posts ❤ If you have any questions about this topic let a comment bellow and I will help with the best answer I can give. Also if you want me to write about something comment and soon you’ll see a post about your subject. 🙂 Or simply comment and let me know what do you think about this post. ❤ | Stay in touch with me on Tumblr |  Twitter  | Facebook and Instagram  | For collaborations, sponsorships or business inquiries e-mail at allyxoxoblog@yahoo.com

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s