Search results
Results From The WOW.Com Content Network
In Southern Italy, sleep paralysis is usually explained with the presence of a sprite standing on the people's chest: if the person manages to catch the sprite (or steal his hat), in exchange for his freedom (or to have his hat back) he can reveal the hiding place of a rich treasure; this sprite has different names in different regions of Italy ...
In the two process model of sleep, it has been proposed, that depression is characterized by a deficiency in the building up of process S. [27] Therefore, sleep deprivation might increase process S in the beginning, but a relapse occurs, when sleep deprivations isn't applied anymore and process S returns to a low level. [27]
Sleep apnea, obstructive sleep apnea, obstruction of the airway during sleep, causing lack of sufficient deep sleep, often accompanied by snoring. Other forms of sleep apnea are less common. [ 89 ] Obstructive sleep apnea (OSA) is a medical disorder that is caused by repetitive collapse of the upper airway (back of the throat) during sleep.
For premium support please call: 800-290-4726 more ways to reach us
Aim for taking a nap around 6 or 7 hours after waking up, and try to nap at the same time every day. Mednick recommended saving longer naps for the weekends, or when you have time to sleep a full ...
Sleep deprivation, also known as sleep insufficiency [2] or sleeplessness, is the condition of not having adequate duration and/or quality of sleep to support decent alertness, performance, and health. It can be either chronic or acute and may vary widely in severity.
According to a recent survey, 40 percent of Americans have always slept on the same side of the bed, though over half of the participants said that right vs. left wasn't a conscious choice.
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]