Zahariev, Z <br/><br/>
An investigation of the distribution of some indices characterising sleep and vigilance among students.  [electronic resource] 

 -  Folia medica  1988 
 - 5-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0204-8043 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Arousal--physiology<br/>Biological Clocks<br/>Female<br/>Humans<br/>Male<br/>Sleep--physiology<br/>Students