Webb, W B <br/><br/>
The sleep of 'morning' and 'evening' types.  [electronic resource] 

 -  Biological psychology  Sep 1978 
 - 29-35 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0301-0511 
<br/><br/><label>Standard No.: </label>10.1016/0301-0511(78)90040-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Activity Cycles<br/>Adolescent<br/>Adult<br/>Biological Clocks<br/>Body Temperature<br/>Circadian Rhythm<br/>Fatigue<br/>Female<br/>Humans<br/>Internal-External Control<br/>Introversion, Psychological<br/>Male<br/>Sleep<br/>Social Environment<br/>Students<br/>Surveys and Questionnaires<br/>Time Factors