public marks

LINK

Sleep Stages - Sleepchannel.com

by arbogast & 1 other
Stages Since the early 20th century, human sleep has been described as a succession of five recurring stages: four non-REM stages and the REM stage

Comments

No comment on this link yet.


PUBLIC TAGS
on this link

dormir   sleep   sommeil   sueño   toread  

BY

arbogast
the 17/10/2005 at 18:55

isolabig
the 01/01/1970 at 01:00