Myths of the Norsemen From the Eddas and Sagas
This answer was shrewdly calculated, for Odin
knew that his couch was so turned that upon waking he would face the Vandals,
and he intended looking out 
from thence, instead of waiting until he had mounted his throne. But, although so cunningly contrived, this plan was frustrated
by Frigga, who, divining his purpose, waited until he was sound asleep, and then noiselessly turned his couch so that he should
face her favourites. Then she sent word to the Winilers to dress their women in armour and send them out in battle array at
dawn, with their long hair carefully combed down over their cheeks and breasts.