A dream is a succession of images, ideas, emotions, and sensations that usually occur involuntarily in the mind during certain stages of sleep. Dreams mainly occur in the rapid-eye movement (REM) stage of sleep—when brain activity is high and resembles that of being awake. REM sleep is revealed by continuous movements of the eyes during sleep. At times, dreams may occur during other stages of sleep. Main feature of Hypnopedia is a reproduction affirmations during sleep for improve mental health

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What causes sleep paralysis? Dark forces vs. sleep problems
Sleep paralysis is one of the most serious sleep abnormalities that is characterised by a temporal inability to move or make any sound. Until recently, it was believed that sleep paralysis is caused by some frightening demons who come at night. However, modern medicine has its own opinion on sleep paralysis, based on scientific evidence.
How to fall asleep quickly? Tips and techniques for everyone
Many people have troubles falling asleep quickly. They are constantly tossing and turning in bed anxiously thinking about the events that happened with them during the day and replaying the conversations they have had. Perhaps, you also find yourself in similar situations quite often. How can you help yourself to fall into a deep sleep faster?
Oversleeping — why you shouldn’t stay in bed long
The urge to hit the snooze button and stay in bed a bit more is one of the strongest in the morning (especially in winter). However, a couple more minutes, let alone hours, spent in bed do not always lead to the expected cheerfulness and freshness. What is so wrong about snooze addiction?
Optimists sleep better than pessimists - the Medical University of Vienna
The fact that optimists live longer than pessimists and usually suffer less from various chronic diseases is not surprising. Perhaps, it is so simply because positive-minded people sleep better than their fellow pessimistic palls.
How to cheer up at work when you feel sleepy
Occasionally, our normal sleep routine can be disturbed. Noisy neighbours, crying babies, stress and anxiety, or a horror movie at night can easily disrupt our sleep. Still, no matter what, in the morning we need to go to work and fulfil our duties there. How to get through the day if, for some reason, you did not get enough sleep?
Polyphasic sleep. Is it a schedule for geniuses or just an unnecessary experiment with your body?
Polyphasic sleep has been very popular among scientists, military people, people of extremes and everyone who is willing to increase the period of wakefulness. This sleep routine obtained a large number of both supporters and opponents. What are the benefits and harms of polyphasic sleep and is it possible to achieve better results by changing your sleep routine?