Monk, T H <br/><br/>
Removal of temporal constraints in the middle-aged and elderly: effects on sleep and sleepiness.  [electronic resource] 

 -  Sleep  Dec 1988 
 - 513-20 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0161-8105 
<br/><br/><label>Standard No.: </label>10.1093/sleep/11.6.513  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Aging--psychology<br/>Arousal<br/>Circadian Rhythm<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Sleep Stages<br/>Wakefulness