Sleep  [videorecording] / 
Spine title:  Biology  sleep  [videorecording] : 
Transtel Cologne 
 - [S.l.] :  England :  Transtel Cologne [production company] ;  Audia Visual Source Video Training [distributor],  [n.d.] 
 - 1 videocassette (VHS) (30 min.) :  sd., col. ;  1/2 in. 
 - The human body [videorecording] ;  SC.8050 .
<br/><br/> Copy available in DVD format 
<br/><br/> Documentary on sleeping and how the body functions when sleeping 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sleep